diff --git a/composer.json b/composer.json
index cf55aeb8ef..faf29256bc 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "ext-xml": "*",
         "doctrine/common": "~2.4",
         "fig/link-util": "^1.0",
diff --git a/src/Symfony/Bridge/Doctrine/composer.json b/src/Symfony/Bridge/Doctrine/composer.json
index 67854035ce..8876d794a1 100644
--- a/src/Symfony/Bridge/Doctrine/composer.json
+++ b/src/Symfony/Bridge/Doctrine/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "doctrine/common": "~2.4",
         "symfony/polyfill-mbstring": "~1.0"
     },
diff --git a/src/Symfony/Bridge/Monolog/composer.json b/src/Symfony/Bridge/Monolog/composer.json
index d60949aab8..23240155d2 100644
--- a/src/Symfony/Bridge/Monolog/composer.json
+++ b/src/Symfony/Bridge/Monolog/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "monolog/monolog": "~1.19",
         "symfony/http-kernel": "~2.8|~3.0"
     },
diff --git a/src/Symfony/Bridge/ProxyManager/composer.json b/src/Symfony/Bridge/ProxyManager/composer.json
index 42751d000e..43a674eac9 100644
--- a/src/Symfony/Bridge/ProxyManager/composer.json
+++ b/src/Symfony/Bridge/ProxyManager/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/dependency-injection": "~2.8|~3.0",
         "ocramius/proxy-manager": "~0.4|~1.0|~2.0"
     },
diff --git a/src/Symfony/Bridge/Twig/composer.json b/src/Symfony/Bridge/Twig/composer.json
index 8fe41945b7..e00e3dc7fa 100644
--- a/src/Symfony/Bridge/Twig/composer.json
+++ b/src/Symfony/Bridge/Twig/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "twig/twig": "~1.34|~2.4"
     },
     "require-dev": {
diff --git a/src/Symfony/Bundle/DebugBundle/composer.json b/src/Symfony/Bundle/DebugBundle/composer.json
index 77e2d1c562..15a8611363 100644
--- a/src/Symfony/Bundle/DebugBundle/composer.json
+++ b/src/Symfony/Bundle/DebugBundle/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "ext-xml": "*",
         "symfony/http-kernel": "~2.8|~3.0",
         "symfony/twig-bridge": "~2.8|~3.0",
diff --git a/src/Symfony/Bundle/FrameworkBundle/composer.json b/src/Symfony/Bundle/FrameworkBundle/composer.json
index 1105daa373..c605471911 100644
--- a/src/Symfony/Bundle/FrameworkBundle/composer.json
+++ b/src/Symfony/Bundle/FrameworkBundle/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "ext-xml": "*",
         "symfony/cache": "~3.3",
         "symfony/class-loader": "~3.2",
diff --git a/src/Symfony/Bundle/SecurityBundle/composer.json b/src/Symfony/Bundle/SecurityBundle/composer.json
index 2c9a641e50..48de2c03ef 100644
--- a/src/Symfony/Bundle/SecurityBundle/composer.json
+++ b/src/Symfony/Bundle/SecurityBundle/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "ext-xml": "*",
         "symfony/security": "~3.3",
         "symfony/dependency-injection": "~3.3",
diff --git a/src/Symfony/Bundle/TwigBundle/composer.json b/src/Symfony/Bundle/TwigBundle/composer.json
index 1b3cc91c19..1a0908a580 100644
--- a/src/Symfony/Bundle/TwigBundle/composer.json
+++ b/src/Symfony/Bundle/TwigBundle/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/config": "~3.2",
         "symfony/twig-bridge": "^3.3",
         "symfony/http-foundation": "~2.8|~3.0",
diff --git a/src/Symfony/Bundle/WebProfilerBundle/composer.json b/src/Symfony/Bundle/WebProfilerBundle/composer.json
index 626ac4d307..12b168150c 100644
--- a/src/Symfony/Bundle/WebProfilerBundle/composer.json
+++ b/src/Symfony/Bundle/WebProfilerBundle/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/http-kernel": "~3.2",
         "symfony/polyfill-php70": "~1.0",
         "symfony/routing": "~2.8|~3.0",
diff --git a/src/Symfony/Bundle/WebServerBundle/composer.json b/src/Symfony/Bundle/WebServerBundle/composer.json
index 829e110c35..d1c64e970f 100644
--- a/src/Symfony/Bundle/WebServerBundle/composer.json
+++ b/src/Symfony/Bundle/WebServerBundle/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/console": "~3.3",
         "symfony/http-kernel": "~3.3",
         "symfony/process": "~3.3"
diff --git a/src/Symfony/Component/Asset/composer.json b/src/Symfony/Component/Asset/composer.json
index 8ed8d9d725..39ccf2c001 100644
--- a/src/Symfony/Component/Asset/composer.json
+++ b/src/Symfony/Component/Asset/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "suggest": {
         "symfony/http-foundation": ""
diff --git a/src/Symfony/Component/BrowserKit/composer.json b/src/Symfony/Component/BrowserKit/composer.json
index a18d66e81e..b6b7cb0101 100644
--- a/src/Symfony/Component/BrowserKit/composer.json
+++ b/src/Symfony/Component/BrowserKit/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/dom-crawler": "~2.8|~3.0"
     },
     "require-dev": {
diff --git a/src/Symfony/Component/Cache/composer.json b/src/Symfony/Component/Cache/composer.json
index 5c0df4b2a5..f32117b038 100644
--- a/src/Symfony/Component/Cache/composer.json
+++ b/src/Symfony/Component/Cache/composer.json
@@ -20,7 +20,7 @@
         "psr/simple-cache-implementation": "1.0"
     },
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "psr/cache": "~1.0",
         "psr/log": "~1.0",
         "psr/simple-cache": "^1.0"
diff --git a/src/Symfony/Component/ClassLoader/composer.json b/src/Symfony/Component/ClassLoader/composer.json
index a1dfc3fa0e..d1b10ef649 100644
--- a/src/Symfony/Component/ClassLoader/composer.json
+++ b/src/Symfony/Component/ClassLoader/composer.json
@@ -17,7 +17,7 @@
     ],
     "minimum-stability": "dev",
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "require-dev": {
         "symfony/finder": "~2.8|~3.0",
diff --git a/src/Symfony/Component/Config/composer.json b/src/Symfony/Component/Config/composer.json
index 7a51c91ed5..f2bff19662 100644
--- a/src/Symfony/Component/Config/composer.json
+++ b/src/Symfony/Component/Config/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/filesystem": "~2.8|~3.0"
     },
     "require-dev": {
diff --git a/src/Symfony/Component/Console/composer.json b/src/Symfony/Component/Console/composer.json
index db76bf3b2c..d4fef1ea58 100644
--- a/src/Symfony/Component/Console/composer.json
+++ b/src/Symfony/Component/Console/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/polyfill-mbstring": "~1.0",
         "symfony/debug": "~2.8|~3.0"
     },
diff --git a/src/Symfony/Component/CssSelector/composer.json b/src/Symfony/Component/CssSelector/composer.json
index e94cfbded0..9661f70ea3 100644
--- a/src/Symfony/Component/CssSelector/composer.json
+++ b/src/Symfony/Component/CssSelector/composer.json
@@ -20,7 +20,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\CssSelector\\": "" },
diff --git a/src/Symfony/Component/Debug/composer.json b/src/Symfony/Component/Debug/composer.json
index 6531eefd99..38323dd41c 100644
--- a/src/Symfony/Component/Debug/composer.json
+++ b/src/Symfony/Component/Debug/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "psr/log": "~1.0"
     },
     "conflict": {
diff --git a/src/Symfony/Component/DependencyInjection/composer.json b/src/Symfony/Component/DependencyInjection/composer.json
index 8c88d4f02a..0ce0ffeeaf 100644
--- a/src/Symfony/Component/DependencyInjection/composer.json
+++ b/src/Symfony/Component/DependencyInjection/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "psr/container": "^1.0"
     },
     "require-dev": {
diff --git a/src/Symfony/Component/DomCrawler/composer.json b/src/Symfony/Component/DomCrawler/composer.json
index 84df31fdea..8835234c11 100644
--- a/src/Symfony/Component/DomCrawler/composer.json
+++ b/src/Symfony/Component/DomCrawler/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/polyfill-mbstring": "~1.0"
     },
     "require-dev": {
diff --git a/src/Symfony/Component/Dotenv/composer.json b/src/Symfony/Component/Dotenv/composer.json
index 020342bdd4..0e6eda933f 100644
--- a/src/Symfony/Component/Dotenv/composer.json
+++ b/src/Symfony/Component/Dotenv/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "require-dev": {
         "symfony/process": "^3.2"
diff --git a/src/Symfony/Component/EventDispatcher/composer.json b/src/Symfony/Component/EventDispatcher/composer.json
index faa0429e2d..994e8ca64a 100644
--- a/src/Symfony/Component/EventDispatcher/composer.json
+++ b/src/Symfony/Component/EventDispatcher/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "require-dev": {
         "symfony/dependency-injection": "~3.3",
diff --git a/src/Symfony/Component/ExpressionLanguage/composer.json b/src/Symfony/Component/ExpressionLanguage/composer.json
index d9d95f00cf..cd8933d6be 100644
--- a/src/Symfony/Component/ExpressionLanguage/composer.json
+++ b/src/Symfony/Component/ExpressionLanguage/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/cache": "~3.1"
     },
     "autoload": {
diff --git a/src/Symfony/Component/Filesystem/composer.json b/src/Symfony/Component/Filesystem/composer.json
index 715a34f7d8..122b6cea01 100644
--- a/src/Symfony/Component/Filesystem/composer.json
+++ b/src/Symfony/Component/Filesystem/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Filesystem\\": "" },
diff --git a/src/Symfony/Component/Finder/composer.json b/src/Symfony/Component/Finder/composer.json
index b57dd8bcda..8eed8f53e5 100644
--- a/src/Symfony/Component/Finder/composer.json
+++ b/src/Symfony/Component/Finder/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Finder\\": "" },
diff --git a/src/Symfony/Component/Form/Extension/DataCollector/FormDataCollector.php b/src/Symfony/Component/Form/Extension/DataCollector/FormDataCollector.php
index 943ad3fba5..378edf563b 100644
--- a/src/Symfony/Component/Form/Extension/DataCollector/FormDataCollector.php
+++ b/src/Symfony/Component/Form/Extension/DataCollector/FormDataCollector.php
@@ -85,9 +85,6 @@ class FormDataCollector extends DataCollector implements FormDataCollectorInterf
      */
     public function collect(Request $request, Response $response, \Exception $exception = null)
     {
-        if (70000 <= \PHP_VERSION_ID && \PHP_VERSION_ID < 70008) {
-            @trigger_error('A bug in PHP 7.0.0 to 7.0.7 is breaking the Form panel, please upgrade to 7.0.8 or higher.', E_USER_DEPRECATED);
-        }
     }
 
     /**
diff --git a/src/Symfony/Component/Form/composer.json b/src/Symfony/Component/Form/composer.json
index 85250b87f3..a88c0d64ee 100644
--- a/src/Symfony/Component/Form/composer.json
+++ b/src/Symfony/Component/Form/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/event-dispatcher": "~2.8|~3.0",
         "symfony/intl": "^2.8.18|^3.2.5",
         "symfony/options-resolver": "~2.8|~3.0",
diff --git a/src/Symfony/Component/HttpFoundation/composer.json b/src/Symfony/Component/HttpFoundation/composer.json
index dfa25f79ec..a964975ecb 100644
--- a/src/Symfony/Component/HttpFoundation/composer.json
+++ b/src/Symfony/Component/HttpFoundation/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/polyfill-mbstring": "~1.1"
     },
     "require-dev": {
diff --git a/src/Symfony/Component/HttpKernel/composer.json b/src/Symfony/Component/HttpKernel/composer.json
index babc8663b6..cc543c6d85 100644
--- a/src/Symfony/Component/HttpKernel/composer.json
+++ b/src/Symfony/Component/HttpKernel/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/event-dispatcher": "~2.8|~3.0",
         "symfony/http-foundation": "~3.3",
         "symfony/debug": "~2.8|~3.0",
diff --git a/src/Symfony/Component/Inflector/composer.json b/src/Symfony/Component/Inflector/composer.json
index 79f4ed788f..df6c12f518 100644
--- a/src/Symfony/Component/Inflector/composer.json
+++ b/src/Symfony/Component/Inflector/composer.json
@@ -23,7 +23,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Inflector\\": "" },
diff --git a/src/Symfony/Component/Intl/composer.json b/src/Symfony/Component/Intl/composer.json
index dea362ed22..452582bb8f 100644
--- a/src/Symfony/Component/Intl/composer.json
+++ b/src/Symfony/Component/Intl/composer.json
@@ -24,7 +24,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/polyfill-intl-icu": "~1.0"
     },
     "require-dev": {
diff --git a/src/Symfony/Component/Ldap/composer.json b/src/Symfony/Component/Ldap/composer.json
index a2f580f431..5cc3ce11e8 100644
--- a/src/Symfony/Component/Ldap/composer.json
+++ b/src/Symfony/Component/Ldap/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/polyfill-php56": "~1.0",
         "symfony/options-resolver": "~2.8|~3.0",
         "ext-ldap": "*"
diff --git a/src/Symfony/Component/OptionsResolver/composer.json b/src/Symfony/Component/OptionsResolver/composer.json
index a751730af3..4311b59c78 100644
--- a/src/Symfony/Component/OptionsResolver/composer.json
+++ b/src/Symfony/Component/OptionsResolver/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\OptionsResolver\\": "" },
diff --git a/src/Symfony/Component/Process/composer.json b/src/Symfony/Component/Process/composer.json
index f899c52b2b..a6d7c7c464 100644
--- a/src/Symfony/Component/Process/composer.json
+++ b/src/Symfony/Component/Process/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Process\\": "" },
diff --git a/src/Symfony/Component/PropertyAccess/composer.json b/src/Symfony/Component/PropertyAccess/composer.json
index 508dd78cc7..011ffa7783 100644
--- a/src/Symfony/Component/PropertyAccess/composer.json
+++ b/src/Symfony/Component/PropertyAccess/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/polyfill-php70": "~1.0",
         "symfony/inflector": "~3.1"
     },
diff --git a/src/Symfony/Component/PropertyInfo/composer.json b/src/Symfony/Component/PropertyInfo/composer.json
index 4d6cac3ef9..fbc8f06a73 100644
--- a/src/Symfony/Component/PropertyInfo/composer.json
+++ b/src/Symfony/Component/PropertyInfo/composer.json
@@ -23,7 +23,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/inflector": "~3.1"
     },
     "require-dev": {
diff --git a/src/Symfony/Component/Routing/composer.json b/src/Symfony/Component/Routing/composer.json
index 38069dc4e9..bb4f6a554b 100644
--- a/src/Symfony/Component/Routing/composer.json
+++ b/src/Symfony/Component/Routing/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "require-dev": {
         "symfony/config": "~2.8|~3.0",
diff --git a/src/Symfony/Component/Security/Core/composer.json b/src/Symfony/Component/Security/Core/composer.json
index 3e045fb227..09db36781a 100644
--- a/src/Symfony/Component/Security/Core/composer.json
+++ b/src/Symfony/Component/Security/Core/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/polyfill-php56": "~1.0"
     },
     "require-dev": {
diff --git a/src/Symfony/Component/Security/Csrf/composer.json b/src/Symfony/Component/Security/Csrf/composer.json
index 913cc458b2..46cca3a0ab 100644
--- a/src/Symfony/Component/Security/Csrf/composer.json
+++ b/src/Symfony/Component/Security/Csrf/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/polyfill-php56": "~1.0",
         "symfony/polyfill-php70": "~1.0",
         "symfony/security-core": "~2.8|~3.0"
diff --git a/src/Symfony/Component/Security/Guard/composer.json b/src/Symfony/Component/Security/Guard/composer.json
index 4bf473a89f..b21039a275 100644
--- a/src/Symfony/Component/Security/Guard/composer.json
+++ b/src/Symfony/Component/Security/Guard/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/security-core": "~2.8|~3.0",
         "symfony/security-http": "~3.1"
     },
diff --git a/src/Symfony/Component/Security/Http/composer.json b/src/Symfony/Component/Security/Http/composer.json
index b1458eaa93..5953644367 100644
--- a/src/Symfony/Component/Security/Http/composer.json
+++ b/src/Symfony/Component/Security/Http/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/security-core": "~3.2",
         "symfony/event-dispatcher": "~2.8|~3.0",
         "symfony/http-foundation": "~2.8|~3.0",
diff --git a/src/Symfony/Component/Security/composer.json b/src/Symfony/Component/Security/composer.json
index e6835fe883..f39bfcf8cc 100644
--- a/src/Symfony/Component/Security/composer.json
+++ b/src/Symfony/Component/Security/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/event-dispatcher": "~2.8|~3.0",
         "symfony/http-foundation": "~2.8|~3.0",
         "symfony/http-kernel": "~3.3",
diff --git a/src/Symfony/Component/Serializer/composer.json b/src/Symfony/Component/Serializer/composer.json
index 37dd110bc3..cd9fd88371 100644
--- a/src/Symfony/Component/Serializer/composer.json
+++ b/src/Symfony/Component/Serializer/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "require-dev": {
         "symfony/yaml": "~3.3",
diff --git a/src/Symfony/Component/Stopwatch/composer.json b/src/Symfony/Component/Stopwatch/composer.json
index 0b40c8d102..06194a0186 100644
--- a/src/Symfony/Component/Stopwatch/composer.json
+++ b/src/Symfony/Component/Stopwatch/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Stopwatch\\": "" },
diff --git a/src/Symfony/Component/Templating/composer.json b/src/Symfony/Component/Templating/composer.json
index 7b1d0fb03b..6b34d63a4e 100644
--- a/src/Symfony/Component/Templating/composer.json
+++ b/src/Symfony/Component/Templating/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "require-dev": {
         "psr/log": "~1.0"
diff --git a/src/Symfony/Component/Translation/composer.json b/src/Symfony/Component/Translation/composer.json
index e107e2538a..f9ed96dc62 100644
--- a/src/Symfony/Component/Translation/composer.json
+++ b/src/Symfony/Component/Translation/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/polyfill-mbstring": "~1.0"
     },
     "require-dev": {
diff --git a/src/Symfony/Component/Validator/composer.json b/src/Symfony/Component/Validator/composer.json
index ca441954b8..3fd2d05fca 100644
--- a/src/Symfony/Component/Validator/composer.json
+++ b/src/Symfony/Component/Validator/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/polyfill-mbstring": "~1.0",
         "symfony/translation": "~2.8|~3.0"
     },
diff --git a/src/Symfony/Component/VarDumper/composer.json b/src/Symfony/Component/VarDumper/composer.json
index 930896026a..ae74aa4901 100644
--- a/src/Symfony/Component/VarDumper/composer.json
+++ b/src/Symfony/Component/VarDumper/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/polyfill-mbstring": "~1.0"
     },
     "require-dev": {
diff --git a/src/Symfony/Component/WebLink/composer.json b/src/Symfony/Component/WebLink/composer.json
index 336feaf006..a3df726a63 100644
--- a/src/Symfony/Component/WebLink/composer.json
+++ b/src/Symfony/Component/WebLink/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "fig/link-util": "^1.0",
         "psr/link": "^1.0"
     },
diff --git a/src/Symfony/Component/Workflow/composer.json b/src/Symfony/Component/Workflow/composer.json
index 2e5825f48d..7feef3fe98 100644
--- a/src/Symfony/Component/Workflow/composer.json
+++ b/src/Symfony/Component/Workflow/composer.json
@@ -20,7 +20,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^5.5.9|>=7.0.8",
         "symfony/property-access": "~2.3|~3.0"
     },
     "require-dev": {
diff --git a/src/Symfony/Component/Yaml/composer.json b/src/Symfony/Component/Yaml/composer.json
index 698b5ced17..2103d6cfd0 100644
--- a/src/Symfony/Component/Yaml/composer.json
+++ b/src/Symfony/Component/Yaml/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "require-dev": {
         "symfony/console": "~2.8|~3.0"