diff --git a/src/Symfony/Bridge/Doctrine/composer.json b/src/Symfony/Bridge/Doctrine/composer.json
index cd9891fe72..d022f57c32 100644
--- a/src/Symfony/Bridge/Doctrine/composer.json
+++ b/src/Symfony/Bridge/Doctrine/composer.json
@@ -24,19 +24,19 @@
         "symfony/service-contracts": "^1.1"
     },
     "require-dev": {
-        "symfony/stopwatch": "~3.4|~4.0",
-        "symfony/config": "^4.2",
-        "symfony/dependency-injection": "~3.4|~4.0",
-        "symfony/form": "~4.3",
-        "symfony/http-kernel": "~3.4|~4.0",
-        "symfony/messenger": "~4.3",
-        "symfony/property-access": "~3.4|~4.0",
-        "symfony/property-info": "~3.4|~4.0",
-        "symfony/proxy-manager-bridge": "~3.4|~4.0",
-        "symfony/security-core": "~3.4|~4.0",
-        "symfony/expression-language": "~3.4|~4.0",
-        "symfony/validator": "~3.4|~4.0",
-        "symfony/translation": "~3.4|~4.0",
+        "symfony/stopwatch": "^3.4|^4.0|^5.0",
+        "symfony/config": "^4.2|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+        "symfony/form": "^4.3|^5.0",
+        "symfony/http-kernel": "^3.4|^4.0|^5.0",
+        "symfony/messenger": "^4.3|^5.0",
+        "symfony/property-access": "^3.4|^4.0|^5.0",
+        "symfony/property-info": "^3.4|^4.0|^5.0",
+        "symfony/proxy-manager-bridge": "^3.4|^4.0|^5.0",
+        "symfony/security-core": "^3.4|^4.0|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0",
+        "symfony/validator": "^3.4|^4.0|^5.0",
+        "symfony/translation": "^3.4|^4.0|^5.0",
         "doctrine/annotations": "~1.0",
         "doctrine/cache": "~1.6",
         "doctrine/collections": "~1.0",
diff --git a/src/Symfony/Bridge/Monolog/composer.json b/src/Symfony/Bridge/Monolog/composer.json
index b3de2e85f4..6b14a59b0a 100644
--- a/src/Symfony/Bridge/Monolog/composer.json
+++ b/src/Symfony/Bridge/Monolog/composer.json
@@ -19,12 +19,12 @@
         "php": "^7.1.3",
         "monolog/monolog": "~1.19",
         "symfony/service-contracts": "^1.1",
-        "symfony/http-kernel": "^4.3"
+        "symfony/http-kernel": "^4.3|^5.0"
     },
     "require-dev": {
-        "symfony/console": "~3.4|~4.0",
-        "symfony/security-core": "~3.4|~4.0",
-        "symfony/var-dumper": "~3.4|~4.0"
+        "symfony/console": "^3.4|^4.0|^5.0",
+        "symfony/security-core": "^3.4|^4.0|^5.0",
+        "symfony/var-dumper": "^3.4|^4.0|^5.0"
     },
     "conflict": {
         "symfony/console": "<3.4",
diff --git a/src/Symfony/Bridge/ProxyManager/composer.json b/src/Symfony/Bridge/ProxyManager/composer.json
index 3626580ad7..c7038a9c19 100644
--- a/src/Symfony/Bridge/ProxyManager/composer.json
+++ b/src/Symfony/Bridge/ProxyManager/composer.json
@@ -17,11 +17,11 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/dependency-injection": "~4.0",
+        "symfony/dependency-injection": "^4.0|^5.0",
         "ocramius/proxy-manager": "~2.1"
     },
     "require-dev": {
-        "symfony/config": "~3.4|~4.0"
+        "symfony/config": "^3.4|^4.0|^5.0"
     },
     "conflict": {
         "zendframework/zend-eventmanager": "2.6.0"
diff --git a/src/Symfony/Bridge/Twig/composer.json b/src/Symfony/Bridge/Twig/composer.json
index e11f545819..b2c915cb7c 100644
--- a/src/Symfony/Bridge/Twig/composer.json
+++ b/src/Symfony/Bridge/Twig/composer.json
@@ -21,27 +21,27 @@
     },
     "require-dev": {
         "egulias/email-validator": "^2.0",
-        "symfony/asset": "~3.4|~4.0",
-        "symfony/dependency-injection": "~3.4|~4.0",
-        "symfony/finder": "~3.4|~4.0",
-        "symfony/form": "^4.3",
-        "symfony/http-foundation": "~4.3",
-        "symfony/http-kernel": "~3.4|~4.0",
-        "symfony/mime": "~4.3",
+        "symfony/asset": "^3.4|^4.0|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+        "symfony/finder": "^3.4|^4.0|^5.0",
+        "symfony/form": "^4.3|^5.0",
+        "symfony/http-foundation": "^4.3|^5.0",
+        "symfony/http-kernel": "^3.4|^4.0|^5.0",
+        "symfony/mime": "~4.3|^5.0",
         "symfony/polyfill-intl-icu": "~1.0",
-        "symfony/routing": "~3.4|~4.0",
-        "symfony/templating": "~3.4|~4.0",
-        "symfony/translation": "^4.2.1",
-        "symfony/yaml": "~3.4|~4.0",
-        "symfony/security-acl": "~2.8|~3.0",
-        "symfony/security-csrf": "~3.4|~4.0",
-        "symfony/security-http": "~3.4|~4.0",
-        "symfony/stopwatch": "~3.4|~4.0",
-        "symfony/console": "~3.4|~4.0",
-        "symfony/var-dumper": "~3.4|~4.0",
-        "symfony/expression-language": "~3.4|~4.0",
-        "symfony/web-link": "~3.4|~4.0",
-        "symfony/workflow": "~4.3"
+        "symfony/routing": "^3.4|^4.0|^5.0",
+        "symfony/templating": "^3.4|^4.0|^5.0",
+        "symfony/translation": "^4.2.1|^5.0",
+        "symfony/yaml": "^3.4|^4.0|^5.0",
+        "symfony/security-acl": "^2.8|^3.0",
+        "symfony/security-csrf": "^3.4|^4.0|^5.0",
+        "symfony/security-http": "^3.4|^4.0|^5.0",
+        "symfony/stopwatch": "^3.4|^4.0|^5.0",
+        "symfony/console": "^3.4|^4.0|^5.0",
+        "symfony/var-dumper": "^3.4|^4.0|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0",
+        "symfony/web-link": "^3.4|^4.0|^5.0",
+        "symfony/workflow": "^4.3|^5.0"
     },
     "conflict": {
         "symfony/console": "<3.4",
diff --git a/src/Symfony/Bundle/DebugBundle/composer.json b/src/Symfony/Bundle/DebugBundle/composer.json
index bc7d2bde9a..5087c97e08 100644
--- a/src/Symfony/Bundle/DebugBundle/composer.json
+++ b/src/Symfony/Bundle/DebugBundle/composer.json
@@ -18,14 +18,14 @@
     "require": {
         "php": "^7.1.3",
         "ext-xml": "*",
-        "symfony/http-kernel": "~3.4|~4.0",
-        "symfony/twig-bridge": "~3.4|~4.0",
-        "symfony/var-dumper": "^4.1.1"
+        "symfony/http-kernel": "^3.4|^4.0|^5.0",
+        "symfony/twig-bridge": "^3.4|^4.0|^5.0",
+        "symfony/var-dumper": "^4.1.1|^5.0"
     },
     "require-dev": {
-        "symfony/config": "~4.2",
-        "symfony/dependency-injection": "~3.4|~4.0",
-        "symfony/web-profiler-bundle": "~3.4|~4.0"
+        "symfony/config": "^4.2|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+        "symfony/web-profiler-bundle": "^3.4|^4.0|^5.0"
     },
     "conflict": {
         "symfony/config": "<4.2",
diff --git a/src/Symfony/Bundle/FrameworkBundle/composer.json b/src/Symfony/Bundle/FrameworkBundle/composer.json
index b617d80789..b6f7a2c7bc 100644
--- a/src/Symfony/Bundle/FrameworkBundle/composer.json
+++ b/src/Symfony/Bundle/FrameworkBundle/composer.json
@@ -18,46 +18,46 @@
     "require": {
         "php": "^7.1.3",
         "ext-xml": "*",
-        "symfony/cache": "~4.3",
-        "symfony/config": "~4.2",
-        "symfony/dependency-injection": "^4.3",
-        "symfony/http-foundation": "^4.3",
-        "symfony/http-kernel": "^4.3",
+        "symfony/cache": "^4.3|^5.0",
+        "symfony/config": "^4.2|^5.0",
+        "symfony/dependency-injection": "^4.3|^5.0",
+        "symfony/http-foundation": "^4.3|^5.0",
+        "symfony/http-kernel": "^4.3|^5.0",
         "symfony/polyfill-mbstring": "~1.0",
-        "symfony/filesystem": "~3.4|~4.0",
-        "symfony/finder": "~3.4|~4.0",
-        "symfony/routing": "^4.3"
+        "symfony/filesystem": "^3.4|^4.0|^5.0",
+        "symfony/finder": "^3.4|^4.0|^5.0",
+        "symfony/routing": "^4.3|^5.0"
     },
     "require-dev": {
         "doctrine/cache": "~1.0",
         "fig/link-util": "^1.0",
-        "symfony/asset": "~3.4|~4.0",
-        "symfony/browser-kit": "^4.3",
-        "symfony/console": "^4.3",
-        "symfony/css-selector": "~3.4|~4.0",
-        "symfony/dom-crawler": "^4.3",
+        "symfony/asset": "^3.4|^4.0|^5.0",
+        "symfony/browser-kit": "^4.3|^5.0",
+        "symfony/console": "^4.3|^5.0",
+        "symfony/css-selector": "^3.4|^4.0|^5.0",
+        "symfony/dom-crawler": "^4.3|^5.0",
         "symfony/polyfill-intl-icu": "~1.0",
-        "symfony/form": "^4.3",
-        "symfony/expression-language": "~3.4|~4.0",
-        "symfony/http-client": "^4.3",
-        "symfony/mailer": "^4.3",
-        "symfony/messenger": "^4.3",
-        "symfony/mime": "^4.3",
-        "symfony/process": "~3.4|~4.0",
-        "symfony/security-csrf": "~3.4|~4.0",
-        "symfony/security-http": "~3.4|~4.0",
-        "symfony/serializer": "^4.3",
-        "symfony/stopwatch": "~3.4|~4.0",
-        "symfony/translation": "~4.2",
-        "symfony/templating": "~3.4|~4.0",
-        "symfony/twig-bundle": "~2.8|~3.2|~4.0",
-        "symfony/validator": "^4.1",
-        "symfony/var-dumper": "^4.3",
-        "symfony/workflow": "^4.3",
-        "symfony/yaml": "~3.4|~4.0",
-        "symfony/property-info": "~3.4|~4.0",
-        "symfony/lock": "~3.4|~4.0",
-        "symfony/web-link": "~3.4|~4.0",
+        "symfony/form": "^4.3|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0",
+        "symfony/http-client": "^4.3|^5.0",
+        "symfony/mailer": "^4.3|^5.0",
+        "symfony/messenger": "^4.3|^5.0",
+        "symfony/mime": "^4.3|^5.0",
+        "symfony/process": "^3.4|^4.0|^5.0",
+        "symfony/security-csrf": "^3.4|^4.0|^5.0",
+        "symfony/security-http": "^3.4|^4.0|^5.0",
+        "symfony/serializer": "^4.3|^5.0",
+        "symfony/stopwatch": "^3.4|^4.0|^5.0",
+        "symfony/translation": "^4.2|^5.0",
+        "symfony/templating": "^3.4|^4.0|^5.0",
+        "symfony/twig-bundle": "^3.4|^4.0|^5.0",
+        "symfony/validator": "^4.1|^5.0",
+        "symfony/var-dumper": "^4.3|^5.0",
+        "symfony/workflow": "^4.3|^5.0",
+        "symfony/yaml": "^3.4|^4.0|^5.0",
+        "symfony/property-info": "^3.4|^4.0|^5.0",
+        "symfony/lock": "^3.4|^4.0|^5.0",
+        "symfony/web-link": "^3.4|^4.0|^5.0",
         "doctrine/annotations": "~1.0",
         "phpdocumentor/reflection-docblock": "^3.0|^4.0",
         "twig/twig": "~1.34|~2.4"
diff --git a/src/Symfony/Bundle/SecurityBundle/composer.json b/src/Symfony/Bundle/SecurityBundle/composer.json
index 2f51b45221..1d6126f8e0 100644
--- a/src/Symfony/Bundle/SecurityBundle/composer.json
+++ b/src/Symfony/Bundle/SecurityBundle/composer.json
@@ -18,31 +18,31 @@
     "require": {
         "php": "^7.1.3",
         "ext-xml": "*",
-        "symfony/config": "^4.2",
-        "symfony/dependency-injection": "^4.2",
-        "symfony/http-kernel": "^4.3",
-        "symfony/security-core": "~4.3",
-        "symfony/security-csrf": "~4.2",
-        "symfony/security-guard": "~4.2",
-        "symfony/security-http": "^4.3"
+        "symfony/config": "^4.2|^5.0",
+        "symfony/dependency-injection": "^4.2|^5.0",
+        "symfony/http-kernel": "^4.3|^5.0",
+        "symfony/security-core": "^4.3|^5.0",
+        "symfony/security-csrf": "^4.2|^5.0",
+        "symfony/security-guard": "^4.2|^5.0",
+        "symfony/security-http": "^4.3|^5.0"
     },
     "require-dev": {
-        "symfony/asset": "~3.4|~4.0",
-        "symfony/browser-kit": "~4.2",
-        "symfony/console": "~3.4|~4.0",
-        "symfony/css-selector": "~3.4|~4.0",
-        "symfony/dom-crawler": "~3.4|~4.0",
-        "symfony/form": "~3.4|~4.0",
-        "symfony/framework-bundle": "~4.2",
-        "symfony/http-foundation": "~3.4|~4.0",
-        "symfony/translation": "~3.4|~4.0",
-        "symfony/twig-bundle": "~4.2",
-        "symfony/twig-bridge": "~3.4|~4.0",
-        "symfony/process": "~3.4|~4.0",
-        "symfony/validator": "~3.4|~4.0",
-        "symfony/var-dumper": "~3.4|~4.0",
-        "symfony/yaml": "~3.4|~4.0",
-        "symfony/expression-language": "~3.4|~4.0",
+        "symfony/asset": "^3.4|^4.0|^5.0",
+        "symfony/browser-kit": "^4.2|^5.0",
+        "symfony/console": "^3.4|^4.0|^5.0",
+        "symfony/css-selector": "^3.4|^4.0|^5.0",
+        "symfony/dom-crawler": "^3.4|^4.0|^5.0",
+        "symfony/form": "^3.4|^4.0|^5.0",
+        "symfony/framework-bundle": "^4.2|^5.0",
+        "symfony/http-foundation": "^3.4|^4.0|^5.0",
+        "symfony/translation": "^3.4|^4.0|^5.0",
+        "symfony/twig-bundle": "^4.2|^5.0",
+        "symfony/twig-bridge": "^3.4|^4.0|^5.0",
+        "symfony/process": "^3.4|^4.0|^5.0",
+        "symfony/validator": "^3.4|^4.0|^5.0",
+        "symfony/var-dumper": "^3.4|^4.0|^5.0",
+        "symfony/yaml": "^3.4|^4.0|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0",
         "doctrine/doctrine-bundle": "~1.5",
         "twig/twig": "~1.34|~2.4"
     },
diff --git a/src/Symfony/Bundle/TwigBundle/composer.json b/src/Symfony/Bundle/TwigBundle/composer.json
index 3fe61d6e15..5d6a25825d 100644
--- a/src/Symfony/Bundle/TwigBundle/composer.json
+++ b/src/Symfony/Bundle/TwigBundle/composer.json
@@ -17,26 +17,26 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/config": "~4.2",
-        "symfony/twig-bridge": "^4.3",
-        "symfony/http-foundation": "~4.3",
-        "symfony/http-kernel": "~4.1",
+        "symfony/config": "^4.2|^5.0",
+        "symfony/twig-bridge": "^4.3|^5.0",
+        "symfony/http-foundation": "^4.3|^5.0",
+        "symfony/http-kernel": "^4.1|^5.0",
         "symfony/polyfill-ctype": "~1.8",
         "twig/twig": "~1.41|~2.10"
     },
     "require-dev": {
-        "symfony/asset": "~3.4|~4.0",
-        "symfony/stopwatch": "~3.4|~4.0",
-        "symfony/dependency-injection": "^4.2.5",
-        "symfony/expression-language": "~3.4|~4.0",
-        "symfony/finder": "~3.4|~4.0",
-        "symfony/form": "~3.4|~4.0",
-        "symfony/routing": "~3.4|~4.0",
-        "symfony/templating": "~3.4|~4.0",
-        "symfony/translation": "^4.2",
-        "symfony/yaml": "~3.4|~4.0",
-        "symfony/framework-bundle": "~4.3",
-        "symfony/web-link": "~3.4|~4.0",
+        "symfony/asset": "^3.4|^4.0|^5.0",
+        "symfony/stopwatch": "^3.4|^4.0|^5.0",
+        "symfony/dependency-injection": "^4.2.5|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0",
+        "symfony/finder": "^3.4|^4.0|^5.0",
+        "symfony/form": "^3.4|^4.0|^5.0",
+        "symfony/routing": "^3.4|^4.0|^5.0",
+        "symfony/templating": "^3.4|^4.0|^5.0",
+        "symfony/translation": "^4.2|^5.0",
+        "symfony/yaml": "^3.4|^4.0|^5.0",
+        "symfony/framework-bundle": "^4.3|^5.0",
+        "symfony/web-link": "^3.4|^4.0|^5.0",
         "doctrine/annotations": "~1.0",
         "doctrine/cache": "~1.0"
     },
diff --git a/src/Symfony/Bundle/WebProfilerBundle/composer.json b/src/Symfony/Bundle/WebProfilerBundle/composer.json
index 16d6cac4ba..552d88b20c 100644
--- a/src/Symfony/Bundle/WebProfilerBundle/composer.json
+++ b/src/Symfony/Bundle/WebProfilerBundle/composer.json
@@ -17,17 +17,17 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/config": "^4.2",
-        "symfony/http-kernel": "^4.3",
-        "symfony/routing": "~3.4|~4.0",
-        "symfony/twig-bundle": "~4.2",
-        "symfony/var-dumper": "~3.4|~4.0",
+        "symfony/config": "^4.2|^5.0",
+        "symfony/http-kernel": "^4.3|^5.0",
+        "symfony/routing": "^3.4|^4.0|^5.0",
+        "symfony/twig-bundle": "^4.2|^5.0",
+        "symfony/var-dumper": "^3.4|^4.0|^5.0",
         "twig/twig": "^1.41|^2.10"
     },
     "require-dev": {
-        "symfony/console": "~3.4|~4.0",
-        "symfony/dependency-injection": "~3.4|~4.0",
-        "symfony/stopwatch": "~3.4|~4.0"
+        "symfony/console": "^3.4|^4.0|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+        "symfony/stopwatch": "^3.4|^4.0|^5.0"
     },
     "conflict": {
         "symfony/dependency-injection": "<3.4",
diff --git a/src/Symfony/Bundle/WebServerBundle/composer.json b/src/Symfony/Bundle/WebServerBundle/composer.json
index 91cdcc62e7..8360c3e04a 100644
--- a/src/Symfony/Bundle/WebServerBundle/composer.json
+++ b/src/Symfony/Bundle/WebServerBundle/composer.json
@@ -17,12 +17,12 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/config": "~3.4|~4.0",
-        "symfony/console": "~3.4|~4.0",
-        "symfony/dependency-injection": "~3.4|~4.0",
-        "symfony/http-kernel": "~3.4|~4.0",
+        "symfony/config": "^3.4|^4.0|^5.0",
+        "symfony/console": "^3.4|^4.0|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+        "symfony/http-kernel": "^3.4|^4.0|^5.0",
         "symfony/polyfill-ctype": "~1.8",
-        "symfony/process": "^3.4.2|^4.0.2"
+        "symfony/process": "^3.4.2|^4.0.2|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Bundle\\WebServerBundle\\": "" },
diff --git a/src/Symfony/Component/Asset/composer.json b/src/Symfony/Component/Asset/composer.json
index 8ec094a7a2..fc12a5bdb8 100644
--- a/src/Symfony/Component/Asset/composer.json
+++ b/src/Symfony/Component/Asset/composer.json
@@ -22,8 +22,8 @@
         "symfony/http-foundation": ""
     },
     "require-dev": {
-        "symfony/http-foundation": "~3.4|~4.0",
-        "symfony/http-kernel": "~3.4|~4.0"
+        "symfony/http-foundation": "^3.4|^4.0|^5.0",
+        "symfony/http-kernel": "^3.4|^4.0|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Asset\\": "" },
diff --git a/src/Symfony/Component/BrowserKit/composer.json b/src/Symfony/Component/BrowserKit/composer.json
index b4be743973..c514771057 100644
--- a/src/Symfony/Component/BrowserKit/composer.json
+++ b/src/Symfony/Component/BrowserKit/composer.json
@@ -17,13 +17,13 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/dom-crawler": "~3.4|~4.0"
+        "symfony/dom-crawler": "^3.4|^4.0|^5.0"
     },
     "require-dev": {
-        "symfony/css-selector": "~3.4|~4.0",
-        "symfony/http-client": "^4.3",
-        "symfony/mime": "^4.3",
-        "symfony/process": "~3.4|~4.0"
+        "symfony/css-selector": "^3.4|^4.0|^5.0",
+        "symfony/http-client": "^4.3|^5.0",
+        "symfony/mime": "^4.3|^5.0",
+        "symfony/process": "^3.4|^4.0|^5.0"
     },
     "suggest": {
         "symfony/process": ""
diff --git a/src/Symfony/Component/Cache/composer.json b/src/Symfony/Component/Cache/composer.json
index 512a6bd93e..0e69cbd2f3 100644
--- a/src/Symfony/Component/Cache/composer.json
+++ b/src/Symfony/Component/Cache/composer.json
@@ -26,7 +26,7 @@
         "psr/log": "~1.0",
         "symfony/cache-contracts": "^1.1",
         "symfony/service-contracts": "^1.1",
-        "symfony/var-exporter": "^4.2"
+        "symfony/var-exporter": "^4.2|^5.0"
     },
     "require-dev": {
         "cache/integration-tests": "dev-master",
@@ -34,9 +34,9 @@
         "doctrine/dbal": "~2.5",
         "predis/predis": "~1.1",
         "psr/simple-cache": "^1.0",
-        "symfony/config": "~4.2",
-        "symfony/dependency-injection": "~3.4|~4.1",
-        "symfony/var-dumper": "^4.1.1"
+        "symfony/config": "^4.2|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.1|^5.0",
+        "symfony/var-dumper": "^4.1.1|^5.0"
     },
     "conflict": {
         "doctrine/dbal": "<2.5",
diff --git a/src/Symfony/Component/Config/composer.json b/src/Symfony/Component/Config/composer.json
index 2f68dfc21b..4fc136190b 100644
--- a/src/Symfony/Component/Config/composer.json
+++ b/src/Symfony/Component/Config/composer.json
@@ -17,15 +17,15 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/filesystem": "~3.4|~4.0",
+        "symfony/filesystem": "^3.4|^4.0|^5.0",
         "symfony/polyfill-ctype": "~1.8"
     },
     "require-dev": {
-        "symfony/dependency-injection": "~3.4|~4.0",
-        "symfony/event-dispatcher": "~3.4|~4.0",
-        "symfony/finder": "~3.4|~4.0",
-        "symfony/messenger": "~4.1",
-        "symfony/yaml": "~3.4|~4.0"
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+        "symfony/event-dispatcher": "^3.4|^4.0|^5.0",
+        "symfony/finder": "^3.4|^4.0|^5.0",
+        "symfony/messenger": "^4.1|^5.0",
+        "symfony/yaml": "^3.4|^4.0|^5.0"
     },
     "conflict": {
         "symfony/finder": "<3.4"
diff --git a/src/Symfony/Component/Console/composer.json b/src/Symfony/Component/Console/composer.json
index d8e9b163e7..0a18e78147 100644
--- a/src/Symfony/Component/Console/composer.json
+++ b/src/Symfony/Component/Console/composer.json
@@ -22,12 +22,12 @@
         "symfony/service-contracts": "^1.1"
     },
     "require-dev": {
-        "symfony/config": "~3.4|~4.0",
-        "symfony/event-dispatcher": "^4.3",
-        "symfony/dependency-injection": "~3.4|~4.0",
-        "symfony/lock": "~3.4|~4.0",
-        "symfony/process": "~3.4|~4.0",
-        "symfony/var-dumper": "^4.3",
+        "symfony/config": "^3.4|^4.0|^5.0",
+        "symfony/event-dispatcher": "^4.3|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+        "symfony/lock": "^3.4|^4.0|^5.0",
+        "symfony/process": "^3.4|^4.0|^5.0",
+        "symfony/var-dumper": "^4.3|^5.0",
         "psr/log": "~1.0"
     },
     "provide": {
diff --git a/src/Symfony/Component/Debug/composer.json b/src/Symfony/Component/Debug/composer.json
index 2b54c6c281..96fe201bdd 100644
--- a/src/Symfony/Component/Debug/composer.json
+++ b/src/Symfony/Component/Debug/composer.json
@@ -23,7 +23,7 @@
         "symfony/http-kernel": "<3.4"
     },
     "require-dev": {
-        "symfony/http-kernel": "~3.4|~4.0"
+        "symfony/http-kernel": "^3.4|^4.0|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Debug\\": "" },
diff --git a/src/Symfony/Component/DependencyInjection/composer.json b/src/Symfony/Component/DependencyInjection/composer.json
index 289bfae0d4..22254796c4 100644
--- a/src/Symfony/Component/DependencyInjection/composer.json
+++ b/src/Symfony/Component/DependencyInjection/composer.json
@@ -21,9 +21,9 @@
         "symfony/service-contracts": "^1.1.2"
     },
     "require-dev": {
-        "symfony/yaml": "~3.4|~4.0",
-        "symfony/config": "^4.3",
-        "symfony/expression-language": "~3.4|~4.0"
+        "symfony/yaml": "^3.4|^4.0|^5.0",
+        "symfony/config": "^4.3|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0"
     },
     "suggest": {
         "symfony/yaml": "",
diff --git a/src/Symfony/Component/DomCrawler/composer.json b/src/Symfony/Component/DomCrawler/composer.json
index ad2c149897..81ddb8cbb8 100644
--- a/src/Symfony/Component/DomCrawler/composer.json
+++ b/src/Symfony/Component/DomCrawler/composer.json
@@ -21,7 +21,7 @@
         "symfony/polyfill-mbstring": "~1.0"
     },
     "require-dev": {
-        "symfony/css-selector": "~3.4|~4.0",
+        "symfony/css-selector": "^3.4|^4.0|^5.0",
         "masterminds/html5": "^2.6"
     },
     "conflict": {
diff --git a/src/Symfony/Component/Dotenv/composer.json b/src/Symfony/Component/Dotenv/composer.json
index e5e614fe66..772c4b23e5 100644
--- a/src/Symfony/Component/Dotenv/composer.json
+++ b/src/Symfony/Component/Dotenv/composer.json
@@ -19,7 +19,7 @@
         "php": "^7.1.3"
     },
     "require-dev": {
-        "symfony/process": "~3.4|~4.0"
+        "symfony/process": "^3.4|^4.0|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Dotenv\\": "" },
diff --git a/src/Symfony/Component/EventDispatcher/composer.json b/src/Symfony/Component/EventDispatcher/composer.json
index d8db1afb9b..fe954318a6 100644
--- a/src/Symfony/Component/EventDispatcher/composer.json
+++ b/src/Symfony/Component/EventDispatcher/composer.json
@@ -20,12 +20,12 @@
         "symfony/event-dispatcher-contracts": "^1.1"
     },
     "require-dev": {
-        "symfony/dependency-injection": "~3.4|~4.0",
-        "symfony/expression-language": "~3.4|~4.0",
-        "symfony/config": "~3.4|~4.0",
-        "symfony/http-foundation": "^3.4|^4.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0",
+        "symfony/config": "^3.4|^4.0|^5.0",
+        "symfony/http-foundation": "^3.4|^4.0|^5.0",
         "symfony/service-contracts": "^1.1",
-        "symfony/stopwatch": "~3.4|~4.0",
+        "symfony/stopwatch": "^3.4|^4.0|^5.0",
         "psr/log": "~1.0"
     },
     "conflict": {
diff --git a/src/Symfony/Component/ExpressionLanguage/composer.json b/src/Symfony/Component/ExpressionLanguage/composer.json
index 99624fbc5c..694f1bf464 100644
--- a/src/Symfony/Component/ExpressionLanguage/composer.json
+++ b/src/Symfony/Component/ExpressionLanguage/composer.json
@@ -17,7 +17,7 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/cache": "~3.4|~4.0",
+        "symfony/cache": "^3.4|^4.0|^5.0",
         "symfony/service-contracts": "^1.1"
     },
     "autoload": {
diff --git a/src/Symfony/Component/Form/composer.json b/src/Symfony/Component/Form/composer.json
index 7b0ab78dbb..b7a812a266 100644
--- a/src/Symfony/Component/Form/composer.json
+++ b/src/Symfony/Component/Form/composer.json
@@ -17,24 +17,24 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/event-dispatcher": "^4.3",
-        "symfony/intl": "^4.3",
-        "symfony/options-resolver": "~4.3",
+        "symfony/event-dispatcher": "^4.3|^5.0",
+        "symfony/intl": "^4.3|^5.0",
+        "symfony/options-resolver": "~4.3|^5.0",
         "symfony/polyfill-ctype": "~1.8",
         "symfony/polyfill-mbstring": "~1.0",
-        "symfony/property-access": "~3.4|~4.0"
+        "symfony/property-access": "^3.4|^4.0|^5.0"
     },
     "require-dev": {
         "doctrine/collections": "~1.0",
-        "symfony/validator": "~3.4|~4.0",
-        "symfony/dependency-injection": "~3.4|~4.0",
-        "symfony/config": "~3.4|~4.0",
-        "symfony/console": "^4.3",
-        "symfony/http-foundation": "~3.4|~4.0",
-        "symfony/http-kernel": "~4.3",
-        "symfony/security-csrf": "~3.4|~4.0",
-        "symfony/translation": "~4.2",
-        "symfony/var-dumper": "^4.3"
+        "symfony/validator": "^3.4|^4.0|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+        "symfony/config": "^3.4|^4.0|^5.0",
+        "symfony/console": "^4.3|^5.0",
+        "symfony/http-foundation": "^3.4|^4.0|^5.0",
+        "symfony/http-kernel": "^4.3|^5.0",
+        "symfony/security-csrf": "^3.4|^4.0|^5.0",
+        "symfony/translation": "^4.2|^5.0",
+        "symfony/var-dumper": "^4.3|^5.0"
     },
     "conflict": {
         "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0",
diff --git a/src/Symfony/Component/HttpClient/composer.json b/src/Symfony/Component/HttpClient/composer.json
index 79d60f6e01..5f6852324c 100644
--- a/src/Symfony/Component/HttpClient/composer.json
+++ b/src/Symfony/Component/HttpClient/composer.json
@@ -27,8 +27,8 @@
     "require-dev": {
         "nyholm/psr7": "^1.0",
         "psr/http-client": "^1.0",
-        "symfony/http-kernel": "^4.3",
-        "symfony/process": "^4.2"
+        "symfony/http-kernel": "^4.3|^5.0",
+        "symfony/process": "^4.2|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\HttpClient\\": "" },
diff --git a/src/Symfony/Component/HttpFoundation/composer.json b/src/Symfony/Component/HttpFoundation/composer.json
index bf73d393cd..efc4b94255 100644
--- a/src/Symfony/Component/HttpFoundation/composer.json
+++ b/src/Symfony/Component/HttpFoundation/composer.json
@@ -17,12 +17,12 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/mime": "^4.3",
+        "symfony/mime": "^4.3|^5.0",
         "symfony/polyfill-mbstring": "~1.1"
     },
     "require-dev": {
         "predis/predis": "~1.0",
-        "symfony/expression-language": "~3.4|~4.0"
+        "symfony/expression-language": "^3.4|^4.0|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\HttpFoundation\\": "" },
diff --git a/src/Symfony/Component/HttpKernel/composer.json b/src/Symfony/Component/HttpKernel/composer.json
index 4742ab6636..42027950c2 100644
--- a/src/Symfony/Component/HttpKernel/composer.json
+++ b/src/Symfony/Component/HttpKernel/composer.json
@@ -17,29 +17,29 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/event-dispatcher": "^4.3",
-        "symfony/http-foundation": "^4.1.1",
-        "symfony/debug": "~3.4|~4.0",
-        "symfony/polyfill-ctype": "~1.8",
+        "symfony/event-dispatcher": "^4.3|^5.0",
+        "symfony/http-foundation": "^4.1.1|^5.0",
+        "symfony/debug": "^3.4|^4.0|^5.0",
+        "symfony/polyfill-ctype": "^1.8",
         "symfony/polyfill-php73": "^1.9",
         "psr/log": "~1.0"
     },
     "require-dev": {
-        "symfony/browser-kit": "^4.3",
-        "symfony/config": "~3.4|~4.0",
-        "symfony/console": "~3.4|~4.0",
-        "symfony/css-selector": "~3.4|~4.0",
-        "symfony/dependency-injection": "^4.3",
-        "symfony/dom-crawler": "~3.4|~4.0",
-        "symfony/expression-language": "~3.4|~4.0",
-        "symfony/finder": "~3.4|~4.0",
-        "symfony/process": "~3.4|~4.0",
-        "symfony/routing": "~3.4|~4.0",
-        "symfony/stopwatch": "~3.4|~4.0",
-        "symfony/templating": "~3.4|~4.0",
-        "symfony/translation": "~4.2",
+        "symfony/browser-kit": "^4.3|^5.0",
+        "symfony/config": "^3.4|^4.0|^5.0",
+        "symfony/console": "^3.4|^4.0|^5.0",
+        "symfony/css-selector": "^3.4|^4.0|^5.0",
+        "symfony/dependency-injection": "^4.3|^5.0",
+        "symfony/dom-crawler": "^3.4|^4.0|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0",
+        "symfony/finder": "^3.4|^4.0|^5.0",
+        "symfony/process": "^3.4|^4.0|^5.0",
+        "symfony/routing": "^3.4|^4.0|^5.0",
+        "symfony/stopwatch": "^3.4|^4.0|^5.0",
+        "symfony/templating": "^3.4|^4.0|^5.0",
+        "symfony/translation": "^4.2|^5.0",
         "symfony/translation-contracts": "^1.1",
-        "symfony/var-dumper": "^4.1.1",
+        "symfony/var-dumper": "^4.1.1|^5.0",
         "psr/cache": "~1.0",
         "twig/twig": "^1.34|^2.4"
     },
diff --git a/src/Symfony/Component/Intl/composer.json b/src/Symfony/Component/Intl/composer.json
index a357fdf139..291b536841 100644
--- a/src/Symfony/Component/Intl/composer.json
+++ b/src/Symfony/Component/Intl/composer.json
@@ -28,7 +28,7 @@
         "symfony/polyfill-intl-icu": "~1.0"
     },
     "require-dev": {
-        "symfony/filesystem": "~3.4|~4.0"
+        "symfony/filesystem": "^3.4|^4.0|^5.0"
     },
     "suggest": {
         "ext-intl": "to use the component with locales other than \"en\""
diff --git a/src/Symfony/Component/Ldap/composer.json b/src/Symfony/Component/Ldap/composer.json
index 7677b1d19b..c302be83ec 100644
--- a/src/Symfony/Component/Ldap/composer.json
+++ b/src/Symfony/Component/Ldap/composer.json
@@ -17,7 +17,7 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/options-resolver": "~4.2",
+        "symfony/options-resolver": "^4.2|^5.0",
         "ext-ldap": "*"
     },
     "conflict": {
diff --git a/src/Symfony/Component/Mailer/Bridge/Amazon/composer.json b/src/Symfony/Component/Mailer/Bridge/Amazon/composer.json
index dfb950a860..6dec33a8fd 100644
--- a/src/Symfony/Component/Mailer/Bridge/Amazon/composer.json
+++ b/src/Symfony/Component/Mailer/Bridge/Amazon/composer.json
@@ -17,10 +17,10 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/mailer": "^4.3"
+        "symfony/mailer": "^4.3|^5.0"
     },
     "require-dev": {
-        "symfony/http-client": "^4.3"
+        "symfony/http-client": "^4.3|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Mailer\\Bridge\\Amazon\\": "" },
diff --git a/src/Symfony/Component/Mailer/Bridge/Google/composer.json b/src/Symfony/Component/Mailer/Bridge/Google/composer.json
index 9007d7d87d..693c2df29b 100644
--- a/src/Symfony/Component/Mailer/Bridge/Google/composer.json
+++ b/src/Symfony/Component/Mailer/Bridge/Google/composer.json
@@ -17,10 +17,10 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/mailer": "^4.3"
+        "symfony/mailer": "^4.3|^5.0"
     },
     "require-dev": {
-        "symfony/http-client": "^4.3"
+        "symfony/http-client": "^4.3|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Mailer\\Bridge\\Google\\": "" },
diff --git a/src/Symfony/Component/Mailer/Bridge/Mailchimp/composer.json b/src/Symfony/Component/Mailer/Bridge/Mailchimp/composer.json
index 0d1560faa9..a48abaea31 100644
--- a/src/Symfony/Component/Mailer/Bridge/Mailchimp/composer.json
+++ b/src/Symfony/Component/Mailer/Bridge/Mailchimp/composer.json
@@ -17,10 +17,10 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/mailer": "^4.3"
+        "symfony/mailer": "^4.3|^5.0"
     },
     "require-dev": {
-        "symfony/http-client": "^4.3"
+        "symfony/http-client": "^4.3|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Mailer\\Bridge\\Mailchimp\\": "" },
diff --git a/src/Symfony/Component/Mailer/Bridge/Mailgun/composer.json b/src/Symfony/Component/Mailer/Bridge/Mailgun/composer.json
index a65bbfe496..c541eaf161 100644
--- a/src/Symfony/Component/Mailer/Bridge/Mailgun/composer.json
+++ b/src/Symfony/Component/Mailer/Bridge/Mailgun/composer.json
@@ -17,10 +17,10 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/mailer": "^4.3"
+        "symfony/mailer": "^4.3|^5.0"
     },
     "require-dev": {
-        "symfony/http-client": "^4.3"
+        "symfony/http-client": "^4.3|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Mailer\\Bridge\\Mailgun\\": "" },
diff --git a/src/Symfony/Component/Mailer/Bridge/Postmark/composer.json b/src/Symfony/Component/Mailer/Bridge/Postmark/composer.json
index 45170470bf..50e7e056b3 100644
--- a/src/Symfony/Component/Mailer/Bridge/Postmark/composer.json
+++ b/src/Symfony/Component/Mailer/Bridge/Postmark/composer.json
@@ -17,10 +17,10 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/mailer": "^4.3"
+        "symfony/mailer": "^4.3|^5.0"
     },
     "require-dev": {
-        "symfony/http-client": "^4.3"
+        "symfony/http-client": "^4.3|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Mailer\\Bridge\\Postmark\\": "" },
diff --git a/src/Symfony/Component/Mailer/Bridge/Sendgrid/composer.json b/src/Symfony/Component/Mailer/Bridge/Sendgrid/composer.json
index 5ac20c7664..540593be6f 100644
--- a/src/Symfony/Component/Mailer/Bridge/Sendgrid/composer.json
+++ b/src/Symfony/Component/Mailer/Bridge/Sendgrid/composer.json
@@ -17,10 +17,10 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/mailer": "^4.3"
+        "symfony/mailer": "^4.3|^5.0"
     },
     "require-dev": {
-        "symfony/http-client": "^4.3"
+        "symfony/http-client": "^4.3|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Mailer\\Bridge\\Sendgrid\\": "" },
diff --git a/src/Symfony/Component/Mailer/composer.json b/src/Symfony/Component/Mailer/composer.json
index 7a30702911..409918fb29 100644
--- a/src/Symfony/Component/Mailer/composer.json
+++ b/src/Symfony/Component/Mailer/composer.json
@@ -19,17 +19,17 @@
         "php": "^7.1.3",
         "egulias/email-validator": "^2.0",
         "psr/log": "~1.0",
-        "symfony/event-dispatcher": "^4.3",
-        "symfony/mime": "^4.3"
+        "symfony/event-dispatcher": "^4.3|^5.0",
+        "symfony/mime": "^4.3|^5.0"
     },
     "require-dev": {
-        "symfony/amazon-mailer": "^4.3",
-        "symfony/google-mailer": "^4.3",
+        "symfony/amazon-mailer": "^4.3|^5.0",
+        "symfony/google-mailer": "^4.3|^5.0",
         "symfony/http-client-contracts": "^1.1",
-        "symfony/mailgun-mailer": "^4.3",
-        "symfony/mailchimp-mailer": "^4.3",
-        "symfony/postmark-mailer": "^4.3",
-        "symfony/sendgrid-mailer": "^4.3"
+        "symfony/mailgun-mailer": "^4.3|^5.0",
+        "symfony/mailchimp-mailer": "^4.3|^5.0",
+        "symfony/postmark-mailer": "^4.3|^5.0",
+        "symfony/sendgrid-mailer": "^4.3|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Mailer\\": "" },
diff --git a/src/Symfony/Component/Messenger/composer.json b/src/Symfony/Component/Messenger/composer.json
index ae9f424885..cf12d9182f 100644
--- a/src/Symfony/Component/Messenger/composer.json
+++ b/src/Symfony/Component/Messenger/composer.json
@@ -22,19 +22,19 @@
     "require-dev": {
         "doctrine/dbal": "^2.5",
         "psr/cache": "~1.0",
-        "symfony/console": "~3.4|~4.0",
-        "symfony/debug": "~4.1",
-        "symfony/dependency-injection": "~3.4.19|^4.1.8",
-        "symfony/doctrine-bridge": "~3.4|~4.0",
-        "symfony/event-dispatcher": "~4.3",
-        "symfony/http-kernel": "~3.4|~4.0",
-        "symfony/process": "~3.4|~4.0",
-        "symfony/property-access": "~3.4|~4.0",
-        "symfony/serializer": "~3.4|~4.0",
+        "symfony/console": "^3.4|^4.0|^5.0",
+        "symfony/debug": "^4.1|^5.0",
+        "symfony/dependency-injection": "^3.4.19|^4.1.8|^5.0",
+        "symfony/doctrine-bridge": "^3.4|^4.0|^5.0",
+        "symfony/event-dispatcher": "^4.3|^5.0",
+        "symfony/http-kernel": "^3.4|^4.0|^5.0",
+        "symfony/process": "^3.4|^4.0|^5.0",
+        "symfony/property-access": "^3.4|^4.0|^5.0",
+        "symfony/serializer": "^3.4|^4.0|^5.0",
         "symfony/service-contracts": "^1.1",
-        "symfony/stopwatch": "~3.4|~4.0",
-        "symfony/validator": "~3.4|~4.0",
-        "symfony/var-dumper": "~3.4|~4.0"
+        "symfony/stopwatch": "^3.4|^4.0|^5.0",
+        "symfony/validator": "^3.4|^4.0|^5.0",
+        "symfony/var-dumper": "^3.4|^4.0|^5.0"
     },
     "conflict": {
         "symfony/event-dispatcher": "<4.3",
diff --git a/src/Symfony/Component/Mime/composer.json b/src/Symfony/Component/Mime/composer.json
index 78f03921b2..89c392f55f 100644
--- a/src/Symfony/Component/Mime/composer.json
+++ b/src/Symfony/Component/Mime/composer.json
@@ -22,7 +22,7 @@
     },
     "require-dev": {
         "egulias/email-validator": "^2.0",
-        "symfony/dependency-injection": "~3.4|^4.1"
+        "symfony/dependency-injection": "^3.4|^4.1|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Mime\\": "" },
diff --git a/src/Symfony/Component/PropertyAccess/composer.json b/src/Symfony/Component/PropertyAccess/composer.json
index b40225b57d..02eb76a2d6 100644
--- a/src/Symfony/Component/PropertyAccess/composer.json
+++ b/src/Symfony/Component/PropertyAccess/composer.json
@@ -17,10 +17,10 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/inflector": "~3.4|~4.0"
+        "symfony/inflector": "^3.4|^4.0|^5.0"
     },
     "require-dev": {
-        "symfony/cache": "~3.4|~4.0"
+        "symfony/cache": "^3.4|^4.0|^5.0"
     },
     "suggest": {
         "psr/cache-implementation": "To cache access methods."
diff --git a/src/Symfony/Component/PropertyInfo/composer.json b/src/Symfony/Component/PropertyInfo/composer.json
index 6f7c556b86..0184230d3a 100644
--- a/src/Symfony/Component/PropertyInfo/composer.json
+++ b/src/Symfony/Component/PropertyInfo/composer.json
@@ -24,12 +24,12 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/inflector": "~3.4|~4.0"
+        "symfony/inflector": "^3.4|^4.0|^5.0"
     },
     "require-dev": {
-        "symfony/serializer": "~3.4|~4.0",
-        "symfony/cache": "~3.4|~4.0",
-        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/serializer": "^3.4|^4.0|^5.0",
+        "symfony/cache": "^3.4|^4.0|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
         "phpdocumentor/reflection-docblock": "^3.0|^4.0",
         "doctrine/annotations": "~1.0"
     },
diff --git a/src/Symfony/Component/Routing/composer.json b/src/Symfony/Component/Routing/composer.json
index 0eefbd552c..21fe8ee101 100644
--- a/src/Symfony/Component/Routing/composer.json
+++ b/src/Symfony/Component/Routing/composer.json
@@ -19,11 +19,11 @@
         "php": "^7.1.3"
     },
     "require-dev": {
-        "symfony/config": "~4.2",
-        "symfony/http-foundation": "~3.4|~4.0",
-        "symfony/yaml": "~3.4|~4.0",
-        "symfony/expression-language": "~3.4|~4.0",
-        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/config": "^4.2|^5.0",
+        "symfony/http-foundation": "^3.4|^4.0|^5.0",
+        "symfony/yaml": "^3.4|^4.0|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
         "doctrine/annotations": "~1.2",
         "psr/log": "~1.0"
     },
diff --git a/src/Symfony/Component/Security/Core/composer.json b/src/Symfony/Component/Security/Core/composer.json
index 27318d5930..69c77dbceb 100644
--- a/src/Symfony/Component/Security/Core/composer.json
+++ b/src/Symfony/Component/Security/Core/composer.json
@@ -22,11 +22,11 @@
     },
     "require-dev": {
         "psr/container": "^1.0",
-        "symfony/event-dispatcher": "^4.3",
-        "symfony/expression-language": "~3.4|~4.0",
-        "symfony/http-foundation": "~3.4|~4.0",
-        "symfony/ldap": "~3.4|~4.0",
-        "symfony/validator": "~3.4|~4.0",
+        "symfony/event-dispatcher": "^4.3|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0",
+        "symfony/http-foundation": "^3.4|^4.0|^5.0",
+        "symfony/ldap": "^3.4|^4.0|^5.0",
+        "symfony/validator": "^3.4|^4.0|^5.0",
         "psr/log": "~1.0"
     },
     "conflict": {
diff --git a/src/Symfony/Component/Security/Csrf/composer.json b/src/Symfony/Component/Security/Csrf/composer.json
index 6bc61e690a..81359829f8 100644
--- a/src/Symfony/Component/Security/Csrf/composer.json
+++ b/src/Symfony/Component/Security/Csrf/composer.json
@@ -17,10 +17,10 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/security-core": "~3.4|~4.0"
+        "symfony/security-core": "^3.4|^4.0|^5.0"
     },
     "require-dev": {
-        "symfony/http-foundation": "~3.4|~4.0"
+        "symfony/http-foundation": "^3.4|^4.0|^5.0"
     },
     "conflict": {
         "symfony/http-foundation": "<3.4"
diff --git a/src/Symfony/Component/Security/Guard/composer.json b/src/Symfony/Component/Security/Guard/composer.json
index f17dacfdf6..ad3343b45d 100644
--- a/src/Symfony/Component/Security/Guard/composer.json
+++ b/src/Symfony/Component/Security/Guard/composer.json
@@ -17,8 +17,8 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/security-core": "~3.4.22|^4.2.3",
-        "symfony/security-http": "^4.3"
+        "symfony/security-core": "^3.4.22|^4.2.3|^5.0",
+        "symfony/security-http": "^4.3|^5.0"
     },
     "require-dev": {
         "psr/log": "~1.0"
diff --git a/src/Symfony/Component/Security/Http/composer.json b/src/Symfony/Component/Security/Http/composer.json
index b040839e42..e4a0fd5e30 100644
--- a/src/Symfony/Component/Security/Http/composer.json
+++ b/src/Symfony/Component/Security/Http/composer.json
@@ -17,14 +17,14 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/security-core": "^4.3",
-        "symfony/http-foundation": "~3.4|~4.0",
-        "symfony/http-kernel": "^4.3",
-        "symfony/property-access": "~3.4|~4.0"
+        "symfony/security-core": "^4.3|^5.0",
+        "symfony/http-foundation": "^3.4|^4.0|^5.0",
+        "symfony/http-kernel": "^4.3|^5.0",
+        "symfony/property-access": "^3.4|^4.0|^5.0"
     },
     "require-dev": {
-        "symfony/routing": "~3.4|~4.0",
-        "symfony/security-csrf": "^3.4.11|^4.0.11",
+        "symfony/routing": "^3.4|^4.0|^5.0",
+        "symfony/security-csrf": "^3.4.11|^4.0.11|^5.0",
         "psr/log": "~1.0"
     },
     "conflict": {
diff --git a/src/Symfony/Component/Security/composer.json b/src/Symfony/Component/Security/composer.json
index fe1bf73754..e52a5828f6 100644
--- a/src/Symfony/Component/Security/composer.json
+++ b/src/Symfony/Component/Security/composer.json
@@ -18,9 +18,9 @@
     "require": {
         "php": "^7.1.3",
         "symfony/event-dispatcher-contracts": "^1.1",
-        "symfony/http-foundation": "~3.4|~4.0",
-        "symfony/http-kernel": "^4.3",
-        "symfony/property-access": "~3.4|~4.0",
+        "symfony/http-foundation": "^3.4|^4.0|^5.0",
+        "symfony/http-kernel": "^4.3|^5.0",
+        "symfony/property-access": "^3.4|^4.0|^5.0",
         "symfony/service-contracts": "^1.1"
     },
     "replace": {
@@ -31,13 +31,13 @@
     },
     "require-dev": {
         "psr/container": "^1.0",
-        "symfony/finder": "~3.4|~4.0",
+        "symfony/finder": "^3.4|^4.0|^5.0",
         "symfony/polyfill-ctype": "~1.8",
         "symfony/polyfill-intl-icu": "~1.0",
-        "symfony/routing": "~3.4|~4.0",
-        "symfony/validator": "~3.4|~4.0",
-        "symfony/expression-language": "~3.4|~4.0",
-        "symfony/ldap": "~3.4|~4.0",
+        "symfony/routing": "^3.4|^4.0|^5.0",
+        "symfony/validator": "^3.4|^4.0|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0",
+        "symfony/ldap": "^3.4|^4.0|^5.0",
         "psr/log": "~1.0"
     },
     "suggest": {
diff --git a/src/Symfony/Component/Serializer/composer.json b/src/Symfony/Component/Serializer/composer.json
index 1ac23722f1..a9d662d38f 100644
--- a/src/Symfony/Component/Serializer/composer.json
+++ b/src/Symfony/Component/Serializer/composer.json
@@ -20,15 +20,15 @@
         "symfony/polyfill-ctype": "~1.8"
     },
     "require-dev": {
-        "symfony/yaml": "~3.4|~4.0",
-        "symfony/config": "~3.4|~4.0",
-        "symfony/property-access": "~3.4|~4.0",
-        "symfony/http-foundation": "~3.4|~4.0",
-        "symfony/cache": "~3.4|~4.0",
-        "symfony/property-info": "^3.4.13|~4.0",
-        "symfony/validator": "~3.4|~4.0",
+        "symfony/yaml": "^3.4|^4.0|^5.0",
+        "symfony/config": "^3.4|^4.0|^5.0",
+        "symfony/property-access": "^3.4|^4.0|^5.0",
+        "symfony/http-foundation": "^3.4|^4.0|^5.0",
+        "symfony/cache": "^3.4|^4.0|^5.0",
+        "symfony/property-info": "^3.4.13|~4.0|^5.0",
+        "symfony/validator": "^3.4|^4.0|^5.0",
         "doctrine/annotations": "~1.0",
-        "symfony/dependency-injection": "~3.4|~4.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
         "doctrine/cache": "~1.0",
         "phpdocumentor/reflection-docblock": "^3.0|^4.0"
     },
diff --git a/src/Symfony/Component/Translation/composer.json b/src/Symfony/Component/Translation/composer.json
index 04b7d39fd4..d242604625 100644
--- a/src/Symfony/Component/Translation/composer.json
+++ b/src/Symfony/Component/Translation/composer.json
@@ -21,15 +21,15 @@
         "symfony/translation-contracts": "^1.1.2"
     },
     "require-dev": {
-        "symfony/config": "~3.4|~4.0",
-        "symfony/console": "~3.4|~4.0",
-        "symfony/dependency-injection": "~3.4|~4.0",
-        "symfony/http-kernel": "~3.4|~4.0",
-        "symfony/intl": "~3.4|~4.0",
-        "symfony/service-contracts": "^1.1.2",
-        "symfony/var-dumper": "~3.4|~4.0",
-        "symfony/yaml": "~3.4|~4.0",
-        "symfony/finder": "~2.8|~3.0|~4.0",
+        "symfony/config": "^3.4|^4.0|^5.0",
+        "symfony/console": "^3.4|^4.0|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+        "symfony/http-kernel": "^3.4|^4.0|^5.0",
+        "symfony/intl": "^3.4|^4.0|^5.0",
+        "symfony/service-contracts": "^1.1.2|^5.0",
+        "symfony/var-dumper": "^3.4|^4.0|^5.0",
+        "symfony/yaml": "^3.4|^4.0|^5.0",
+        "symfony/finder": "~2.8|~3.0|~4.0|^5.0",
         "psr/log": "~1.0"
     },
     "conflict": {
diff --git a/src/Symfony/Component/Validator/composer.json b/src/Symfony/Component/Validator/composer.json
index 1fc22e1dc0..53e4fa8198 100644
--- a/src/Symfony/Component/Validator/composer.json
+++ b/src/Symfony/Component/Validator/composer.json
@@ -22,19 +22,19 @@
         "symfony/translation-contracts": "^1.1"
     },
     "require-dev": {
-        "symfony/http-client": "^4.3",
-        "symfony/http-foundation": "~4.1",
-        "symfony/http-kernel": "~3.4|~4.0",
-        "symfony/var-dumper": "~3.4|~4.0",
-        "symfony/intl": "^4.3",
-        "symfony/yaml": "~3.4|~4.0",
-        "symfony/config": "~3.4|~4.0",
-        "symfony/dependency-injection": "~3.4|~4.0",
-        "symfony/expression-language": "~3.4|~4.0",
-        "symfony/cache": "~3.4|~4.0",
-        "symfony/property-access": "~3.4|~4.0",
-        "symfony/property-info": "~3.4|~4.0",
-        "symfony/translation": "~4.2",
+        "symfony/http-client": "^4.3|^5.0",
+        "symfony/http-foundation": "^4.1|^5.0",
+        "symfony/http-kernel": "^3.4|^4.0|^5.0",
+        "symfony/var-dumper": "^3.4|^4.0|^5.0",
+        "symfony/intl": "^4.3|^5.0",
+        "symfony/yaml": "^3.4|^4.0|^5.0",
+        "symfony/config": "^3.4|^4.0|^5.0",
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0",
+        "symfony/cache": "^3.4|^4.0|^5.0",
+        "symfony/property-access": "^3.4|^4.0|^5.0",
+        "symfony/property-info": "^3.4|^4.0|^5.0",
+        "symfony/translation": "^4.2|^5.0",
         "doctrine/annotations": "~1.0",
         "doctrine/cache": "~1.0",
         "egulias/email-validator": "^1.2.8|~2.0"
diff --git a/src/Symfony/Component/VarDumper/composer.json b/src/Symfony/Component/VarDumper/composer.json
index e5b1cc3efb..727e50f3cf 100644
--- a/src/Symfony/Component/VarDumper/composer.json
+++ b/src/Symfony/Component/VarDumper/composer.json
@@ -22,8 +22,8 @@
     },
     "require-dev": {
         "ext-iconv": "*",
-        "symfony/console": "~3.4|~4.0",
-        "symfony/process": "~3.4|~4.0",
+        "symfony/console": "^3.4|^4.0|^5.0",
+        "symfony/process": "^3.4|^4.0|^5.0",
         "twig/twig": "~1.34|~2.4"
     },
     "conflict": {
diff --git a/src/Symfony/Component/VarExporter/composer.json b/src/Symfony/Component/VarExporter/composer.json
index 5929fecb5e..6b7dba24de 100644
--- a/src/Symfony/Component/VarExporter/composer.json
+++ b/src/Symfony/Component/VarExporter/composer.json
@@ -19,7 +19,7 @@
         "php": "^7.1.3"
     },
     "require-dev": {
-        "symfony/var-dumper": "^4.1.1"
+        "symfony/var-dumper": "^4.1.1|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\VarExporter\\": "" },
diff --git a/src/Symfony/Component/WebLink/composer.json b/src/Symfony/Component/WebLink/composer.json
index b2f784d89a..fa68a91909 100644
--- a/src/Symfony/Component/WebLink/composer.json
+++ b/src/Symfony/Component/WebLink/composer.json
@@ -24,8 +24,8 @@
         "symfony/http-kernel": ""
     },
     "require-dev": {
-        "symfony/http-foundation": "~3.4|~4.0",
-        "symfony/http-kernel": "^4.3"
+        "symfony/http-foundation": "^3.4|^4.0|^5.0",
+        "symfony/http-kernel": "^4.3|^5.0"
     },
     "conflict": {
         "symfony/http-kernel": "<4.3"
diff --git a/src/Symfony/Component/Workflow/composer.json b/src/Symfony/Component/Workflow/composer.json
index 5c87b88263..f98c6464bf 100644
--- a/src/Symfony/Component/Workflow/composer.json
+++ b/src/Symfony/Component/Workflow/composer.json
@@ -21,15 +21,15 @@
     ],
     "require": {
         "php": "^7.1.3",
-        "symfony/property-access": "~3.4|~4.0"
+        "symfony/property-access": "^3.4|^4.0|^5.0"
     },
     "require-dev": {
         "psr/log": "~1.0",
-        "symfony/dependency-injection": "~3.4|~4.0",
-        "symfony/event-dispatcher": "^4.3",
-        "symfony/expression-language": "~3.4|~4.0",
-        "symfony/security-core": "~3.4|~4.0",
-        "symfony/validator": "~3.4|~4.0"
+        "symfony/dependency-injection": "^3.4|^4.0|^5.0",
+        "symfony/event-dispatcher": "^4.3|^5.0",
+        "symfony/expression-language": "^3.4|^4.0|^5.0",
+        "symfony/security-core": "^3.4|^4.0|^5.0",
+        "symfony/validator": "^3.4|^4.0|^5.0"
     },
     "conflict": {
         "symfony/event-dispatcher": "<4.3"
diff --git a/src/Symfony/Component/Yaml/composer.json b/src/Symfony/Component/Yaml/composer.json
index 8bce945a6f..407b297c2f 100644
--- a/src/Symfony/Component/Yaml/composer.json
+++ b/src/Symfony/Component/Yaml/composer.json
@@ -20,7 +20,7 @@
         "symfony/polyfill-ctype": "~1.8"
     },
     "require-dev": {
-        "symfony/console": "~3.4|~4.0"
+        "symfony/console": "^3.4|^4.0|^5.0"
     },
     "conflict": {
         "symfony/console": "<3.4"
diff --git a/src/Symfony/Contracts/Cache/composer.json b/src/Symfony/Contracts/Cache/composer.json
index d5d7e99b9f..719146ace1 100644
--- a/src/Symfony/Contracts/Cache/composer.json
+++ b/src/Symfony/Contracts/Cache/composer.json
@@ -28,7 +28,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "1.1-dev"
+            "dev-master": "1.2-dev"
         }
     }
 }
diff --git a/src/Symfony/Contracts/EventDispatcher/composer.json b/src/Symfony/Contracts/EventDispatcher/composer.json
index 55802a491d..8251d90a0c 100644
--- a/src/Symfony/Contracts/EventDispatcher/composer.json
+++ b/src/Symfony/Contracts/EventDispatcher/composer.json
@@ -28,7 +28,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "1.1-dev"
+            "dev-master": "1.2-dev"
         }
     }
 }
diff --git a/src/Symfony/Contracts/HttpClient/composer.json b/src/Symfony/Contracts/HttpClient/composer.json
index 4dc9b2d38c..718852d5c0 100644
--- a/src/Symfony/Contracts/HttpClient/composer.json
+++ b/src/Symfony/Contracts/HttpClient/composer.json
@@ -27,7 +27,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "1.1-dev"
+            "dev-master": "1.2-dev"
         }
     }
 }
diff --git a/src/Symfony/Contracts/Service/composer.json b/src/Symfony/Contracts/Service/composer.json
index 54341174ce..11f98854f1 100644
--- a/src/Symfony/Contracts/Service/composer.json
+++ b/src/Symfony/Contracts/Service/composer.json
@@ -28,7 +28,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "1.1-dev"
+            "dev-master": "1.2-dev"
         }
     }
 }
diff --git a/src/Symfony/Contracts/Translation/composer.json b/src/Symfony/Contracts/Translation/composer.json
index 09749d35f5..22ef38363e 100644
--- a/src/Symfony/Contracts/Translation/composer.json
+++ b/src/Symfony/Contracts/Translation/composer.json
@@ -27,7 +27,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "1.1-dev"
+            "dev-master": "1.2-dev"
         }
     }
 }
diff --git a/src/Symfony/Contracts/composer.json b/src/Symfony/Contracts/composer.json
index f78ba697db..850d66eb54 100644
--- a/src/Symfony/Contracts/composer.json
+++ b/src/Symfony/Contracts/composer.json
@@ -49,7 +49,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "1.1-dev"
+            "dev-master": "1.2-dev"
         }
     }
 }