diff --git a/.travis.yml b/.travis.yml
index 9860cd03a9..d10abab198 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,9 @@ matrix:
         - php: hhvm-nightly
     include:
         - php: 5.5
-          env: components=yes
+          env: components=high
+        - php: 5.3.3
+          env: components=low
 
 services: mongodb
 
@@ -23,6 +25,7 @@ env:
 
 before_install:
     - travis_retry sudo apt-get install parallel
+    - composer self-update
     - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm-nightly" ]; then echo "" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini; fi;'
     - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm-nightly" ]; then echo "extension = mongo.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi;'
     - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm-nightly" ] && [ $(php -r "echo PHP_MINOR_VERSION;") -le 4 ]; then echo "extension = apc.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi;'
@@ -37,4 +40,5 @@ install:
 script:
     - sh -c 'if [ "$components" = "no" ]; then sh -c "ls -d src/Symfony/*/* | parallel --gnu --keep-order '\''echo \"Running {} tests\"; phpunit --exclude-group tty,benchmark,intl-data {};'\''"; fi;'
     - sh -c 'if [ "$components" = "no" ]; then sh -c "echo "\""Running tests requiring tty"\""; phpunit --group tty"; fi;'
-    - sh -c 'if [ "$components" = "yes" ]; then sh -c "find src/Symfony -mindepth 3 -type f -name '\''phpunit.xml.dist'\'' | sed '\''s#\(.*\)/.*#\1#'\'' | parallel --gnu --keep-order '\''echo \"Running {} tests\"; cd {}; COMPOSER_ROOT_VERSION=dev-master composer --prefer-source --dev install; phpunit --exclude-group tty,benchmark,intl-data;'\''"; fi;'
+    - sh -c 'if [ "$components" = "high" ]; then sh -c "find src/Symfony -mindepth 3 -type f -name '\''phpunit.xml.dist'\'' | sed '\''s#\(.*\)/.*#\1#'\'' | parallel --gnu --keep-order '\''echo \"Running {} tests\"; cd {}; COMPOSER_ROOT_VERSION=dev-master composer --prefer-source --dev install; phpunit --exclude-group tty,benchmark,intl-data;'\''"; fi;'
+    - sh -c 'if [ "$components" = "low" ]; then sh -c "find src/Symfony -mindepth 3 -type f -name '\''phpunit.xml.dist'\'' | sed '\''s#\(.*\)/.*#\1#'\'' | parallel --gnu --keep-order '\''echo \"Running {} tests\"; cd {}; COMPOSER_ROOT_VERSION=dev-master composer --prefer-source --dev --prefer-lowest --prefer-stable update; phpunit --exclude-group tty,benchmark,intl-data;'\''"; fi;'
diff --git a/src/Symfony/Bridge/Doctrine/composer.json b/src/Symfony/Bridge/Doctrine/composer.json
index 30f4586427..9ae21d4ab3 100644
--- a/src/Symfony/Bridge/Doctrine/composer.json
+++ b/src/Symfony/Bridge/Doctrine/composer.json
@@ -17,15 +17,17 @@
     ],
     "require": {
         "php": ">=5.3.3",
-        "doctrine/common": "~2.2"
+        "doctrine/common": "~2.3"
     },
     "require-dev": {
         "symfony/stopwatch": "~2.2",
-        "symfony/dependency-injection": "~2.0",
-        "symfony/form": "~2.2",
+        "symfony/dependency-injection": "~2.0,>=2.0.5",
+        "symfony/form": "~2.3,>=2.3.8",
         "symfony/http-kernel": "~2.2",
+        "symfony/property-access": "~2.3",
         "symfony/security": "~2.2",
-        "symfony/validator": "~2.3.0",
+        "symfony/validator": "~2.3.0,>=2.3.20",
+        "symfony/translation": "~2.0,>=2.0.5",
         "doctrine/data-fixtures": "1.0.*",
         "doctrine/dbal": "~2.2",
         "doctrine/orm": "~2.2,>=2.2.3"
diff --git a/src/Symfony/Bridge/Propel1/composer.json b/src/Symfony/Bridge/Propel1/composer.json
index 027562c224..69caa16de6 100644
--- a/src/Symfony/Bridge/Propel1/composer.json
+++ b/src/Symfony/Bridge/Propel1/composer.json
@@ -17,10 +17,11 @@
     ],
     "require": {
         "php": ">=5.3.3",
-        "symfony/http-foundation": "~2.0",
-        "symfony/http-kernel": "~2.0",
-        "symfony/form": "~2.2",
-        "propel/propel1": "~1.6"
+        "symfony/http-foundation": "~2.0,>=2.0.5",
+        "symfony/http-kernel": "~2.0,>=2.0.5",
+        "symfony/form": "~2.3,>=2.3.8",
+        "symfony/property-access": "~2.3",
+        "propel/propel1": "~1.6,>=1.6.5"
     },
     "require-dev": {
         "symfony/stopwatch": "~2.2"
diff --git a/src/Symfony/Bridge/Twig/composer.json b/src/Symfony/Bridge/Twig/composer.json
index d3861238af..e4314931b5 100644
--- a/src/Symfony/Bridge/Twig/composer.json
+++ b/src/Symfony/Bridge/Twig/composer.json
@@ -17,17 +17,18 @@
     ],
     "require": {
         "php": ">=5.3.3",
-        "twig/twig": "~1.12"
+        "twig/twig": "~1.12,>=1.12.3"
     },
     "require-dev": {
         "symfony/finder": "~2.3",
-        "symfony/form": "~2.2",
-        "symfony/http-kernel": "~2.2",
+        "symfony/form": "~2.3,>=2.3.5",
+        "symfony/http-kernel": "~2.3",
+        "symfony/locale": "~2.0,>=2.0.5",
         "symfony/routing": "~2.2",
         "symfony/templating": "~2.1",
         "symfony/translation": "~2.2",
-        "symfony/yaml": "~2.0",
-        "symfony/security": "~2.0"
+        "symfony/yaml": "~2.0,>=2.0.5",
+        "symfony/security": "~2.0,>=2.0.5"
     },
     "suggest": {
         "symfony/finder": "",
diff --git a/src/Symfony/Bundle/FrameworkBundle/composer.json b/src/Symfony/Bundle/FrameworkBundle/composer.json
index 749a7f737b..17318f23d7 100644
--- a/src/Symfony/Bundle/FrameworkBundle/composer.json
+++ b/src/Symfony/Bundle/FrameworkBundle/composer.json
@@ -17,27 +17,31 @@
     ],
     "require": {
         "php": ">=5.3.3",
-        "symfony/dependency-injection": "~2.2",
-        "symfony/config": "~2.2",
+        "symfony/dependency-injection" : "~2.3",
+        "symfony/config" : "~2.3,>=2.3.12",
         "symfony/event-dispatcher": "~2.1",
-        "symfony/http-kernel": "~2.3",
+        "symfony/http-foundation": "~2.3,>=2.3.19",
+        "symfony/http-kernel": "~2.3,>=2.3.22",
         "symfony/filesystem": "~2.3",
         "symfony/routing": "~2.2",
         "symfony/stopwatch": "~2.3",
         "symfony/templating": "~2.1",
-        "symfony/translation": "~2.3",
+        "symfony/translation": "~2.3,>=2.3.19",
         "doctrine/common": "~2.2"
     },
     "require-dev": {
         "symfony/browser-kit": "~2.3",
-        "symfony/console": "~2.0",
-        "symfony/finder": "~2.0",
+        "symfony/console": "~2.3",
+        "symfony/css-selector": "~2.0,>=2.0.5",
+        "symfony/dom-crawler": "~2.0,>=2.0.5",
+        "symfony/finder": "~2.0,>=2.0.5",
+        "symfony/locale": "~2.0,>=2.0.5",
         "symfony/security": "~2.3",
-        "symfony/form": "~2.3.0",
+        "symfony/form": "~2.3.0,>=2.3.5",
         "symfony/class-loader": "~2.1",
-        "symfony/process": "~2.0",
+        "symfony/process": "~2.0,>=2.0.5",
         "symfony/validator": "~2.1",
-        "symfony/yaml": "~2.0"
+        "symfony/yaml": "~2.0,>=2.0.5"
     },
     "suggest": {
         "symfony/console": "",
diff --git a/src/Symfony/Bundle/SecurityBundle/composer.json b/src/Symfony/Bundle/SecurityBundle/composer.json
index 916e59983f..0b7e49d9ad 100644
--- a/src/Symfony/Bundle/SecurityBundle/composer.json
+++ b/src/Symfony/Bundle/SecurityBundle/composer.json
@@ -22,13 +22,19 @@
     },
     "require-dev": {
         "symfony/browser-kit": "~2.3",
+        "symfony/css-selector": "~2.0,>=2.0.5",
+        "symfony/dependency-injection": "~2.3",
+        "symfony/dom-crawler": "~2.0,>=2.0.5",
         "symfony/form": "~2.3",
         "symfony/framework-bundle": "~2.2,<2.6.0",
+        "symfony/http-foundation": "~2.3",
         "symfony/twig-bundle": "~2.2",
-        "symfony/form": "~2.1",
-        "symfony/process": "~2.0",
+        "symfony/twig-bridge": "~2.2,>=2.2.6",
+        "symfony/form": "~2.3",
+        "symfony/process": "~2.0,>=2.0.5",
         "symfony/validator": "~2.2",
-        "symfony/yaml": "~2.0"
+        "symfony/yaml": "~2.0,>=2.0.5",
+        "twig/twig": "~1.12"
     },
     "autoload": {
         "psr-0": { "Symfony\\Bundle\\SecurityBundle\\": "" }
diff --git a/src/Symfony/Bundle/TwigBundle/composer.json b/src/Symfony/Bundle/TwigBundle/composer.json
index 9144989930..c3afb612cf 100644
--- a/src/Symfony/Bundle/TwigBundle/composer.json
+++ b/src/Symfony/Bundle/TwigBundle/composer.json
@@ -22,7 +22,7 @@
     },
     "require-dev": {
         "symfony/stopwatch": "~2.2",
-        "symfony/dependency-injection": "~2.0",
+        "symfony/dependency-injection": "~2.2",
         "symfony/config": "~2.2",
         "symfony/framework-bundle": "~2.1"
     },
diff --git a/src/Symfony/Bundle/WebProfilerBundle/composer.json b/src/Symfony/Bundle/WebProfilerBundle/composer.json
index e384965bf4..0dc5fb9659 100644
--- a/src/Symfony/Bundle/WebProfilerBundle/composer.json
+++ b/src/Symfony/Bundle/WebProfilerBundle/composer.json
@@ -24,7 +24,7 @@
     "require-dev": {
         "symfony/config": "~2.2",
         "symfony/console": "~2.3",
-        "symfony/dependency-injection": "~2.0",
+        "symfony/dependency-injection": "~2.2",
         "symfony/stopwatch": "~2.2"
     },
     "autoload": {
diff --git a/src/Symfony/Component/BrowserKit/composer.json b/src/Symfony/Component/BrowserKit/composer.json
index 38a51e9401..2d7eacc9ca 100644
--- a/src/Symfony/Component/BrowserKit/composer.json
+++ b/src/Symfony/Component/BrowserKit/composer.json
@@ -17,11 +17,11 @@
     ],
     "require": {
         "php": ">=5.3.3",
-        "symfony/dom-crawler": "~2.0"
+        "symfony/dom-crawler": "~2.0,>=2.0.5"
     },
     "require-dev": {
-        "symfony/process": "~2.0",
-        "symfony/css-selector": "~2.0"
+        "symfony/process": "~2.0,>=2.0.5",
+        "symfony/css-selector": "~2.0,>=2.0.5"
     },
     "suggest": {
         "symfony/process": ""
diff --git a/src/Symfony/Component/ClassLoader/composer.json b/src/Symfony/Component/ClassLoader/composer.json
index 06a1c624b2..c2de59d667 100644
--- a/src/Symfony/Component/ClassLoader/composer.json
+++ b/src/Symfony/Component/ClassLoader/composer.json
@@ -20,7 +20,7 @@
         "php": ">=5.3.3"
     },
     "require-dev": {
-        "symfony/finder": "~2.0"
+        "symfony/finder": "~2.0,>=2.0.5"
     },
     "autoload": {
         "psr-0": { "Symfony\\Component\\ClassLoader\\": "" }
diff --git a/src/Symfony/Component/Debug/composer.json b/src/Symfony/Component/Debug/composer.json
index 35b170a3c0..ae8837acfe 100644
--- a/src/Symfony/Component/Debug/composer.json
+++ b/src/Symfony/Component/Debug/composer.json
@@ -19,7 +19,7 @@
         "php": ">=5.3.3"
     },
     "require-dev": {
-        "symfony/http-kernel": "~2.1",
+        "symfony/http-kernel": "~2.2",
         "symfony/http-foundation": "~2.1"
     },
     "suggest": {
diff --git a/src/Symfony/Component/DependencyInjection/composer.json b/src/Symfony/Component/DependencyInjection/composer.json
index 2631da96df..a6ec0e1e76 100644
--- a/src/Symfony/Component/DependencyInjection/composer.json
+++ b/src/Symfony/Component/DependencyInjection/composer.json
@@ -19,7 +19,7 @@
         "php": ">=5.3.3"
     },
     "require-dev": {
-        "symfony/yaml": "~2.0",
+        "symfony/yaml": "~2.1",
         "symfony/config": "~2.2"
     },
     "suggest": {
diff --git a/src/Symfony/Component/DomCrawler/composer.json b/src/Symfony/Component/DomCrawler/composer.json
index 4e56c92584..ebee035bcb 100644
--- a/src/Symfony/Component/DomCrawler/composer.json
+++ b/src/Symfony/Component/DomCrawler/composer.json
@@ -19,7 +19,7 @@
         "php": ">=5.3.3"
     },
     "require-dev": {
-        "symfony/css-selector": "~2.0"
+        "symfony/css-selector": "~2.0,>=2.0.5"
     },
     "suggest": {
         "symfony/css-selector": ""
diff --git a/src/Symfony/Component/EventDispatcher/composer.json b/src/Symfony/Component/EventDispatcher/composer.json
index 1db2ecfd6c..99a0e51d1b 100644
--- a/src/Symfony/Component/EventDispatcher/composer.json
+++ b/src/Symfony/Component/EventDispatcher/composer.json
@@ -19,7 +19,7 @@
         "php": ">=5.3.3"
     },
     "require-dev": {
-        "symfony/dependency-injection": "~2.0"
+        "symfony/dependency-injection": "~2.0,>=2.0.5"
     },
     "suggest": {
         "symfony/dependency-injection": "",
diff --git a/src/Symfony/Component/Form/composer.json b/src/Symfony/Component/Form/composer.json
index f55a042086..e5d0f06e2b 100644
--- a/src/Symfony/Component/Form/composer.json
+++ b/src/Symfony/Component/Form/composer.json
@@ -24,7 +24,8 @@
     },
     "require-dev": {
         "doctrine/collections": "~1.0",
-        "symfony/validator": "~2.3.0",
+        "symfony/validator": "~2.3.0,>=2.3.20",
+        "symfony/translation": "~2.0,>=2.0.5",
         "symfony/http-foundation": "~2.2"
     },
     "suggest": {
diff --git a/src/Symfony/Component/HttpKernel/composer.json b/src/Symfony/Component/HttpKernel/composer.json
index af659da904..4959b0beb5 100644
--- a/src/Symfony/Component/HttpKernel/composer.json
+++ b/src/Symfony/Component/HttpKernel/composer.json
@@ -18,20 +18,22 @@
     "require": {
         "php": ">=5.3.3",
         "symfony/event-dispatcher": "~2.1",
-        "symfony/http-foundation": "~2.2",
+        "symfony/http-foundation": "~2.3,>=2.3.4",
         "symfony/debug": "~2.3",
         "psr/log": "~1.0"
     },
     "require-dev": {
-        "symfony/browser-kit": "~2.2",
+        "symfony/browser-kit": "~2.3",
         "symfony/class-loader": "~2.1",
-        "symfony/config": "~2.0",
+        "symfony/config": "~2.0,>=2.0.5",
         "symfony/console": "~2.2",
-        "symfony/dependency-injection": "~2.0",
-        "symfony/finder": "~2.0",
-        "symfony/process": "~2.0",
+        "symfony/css-selector": "~2.0,>=2.0.5",
+        "symfony/dependency-injection": "~2.2",
+        "symfony/dom-crawler": "~2.0,>=2.0.5",
+        "symfony/finder": "~2.0,>=2.0.5",
+        "symfony/process": "~2.0,>=2.0.5",
         "symfony/routing": "~2.2",
-        "symfony/stopwatch": "~2.2",
+        "symfony/stopwatch": "~2.3",
         "symfony/templating": "~2.2"
     },
     "suggest": {
diff --git a/src/Symfony/Component/Routing/composer.json b/src/Symfony/Component/Routing/composer.json
index 18c06d3501..f1c6a20363 100644
--- a/src/Symfony/Component/Routing/composer.json
+++ b/src/Symfony/Component/Routing/composer.json
@@ -21,7 +21,7 @@
     "require-dev": {
         "symfony/config": "~2.2",
         "symfony/http-foundation": "~2.3",
-        "symfony/yaml": "~2.0",
+        "symfony/yaml": "~2.0,>=2.0.5",
         "doctrine/common": "~2.2",
         "psr/log": "~1.0"
     },
diff --git a/src/Symfony/Component/Security/composer.json b/src/Symfony/Component/Security/composer.json
index 9c10b96e9a..f253da52c7 100644
--- a/src/Symfony/Component/Security/composer.json
+++ b/src/Symfony/Component/Security/composer.json
@@ -17,12 +17,13 @@
     ],
     "require": {
         "php": ">=5.3.3",
-        "symfony/event-dispatcher": "~2.1",
+        "symfony/event-dispatcher": "~2.2",
         "symfony/http-foundation": "~2.1",
         "symfony/http-kernel": "~2.1"
     },
     "require-dev": {
-        "symfony/form": "~2.0",
+        "symfony/form": "~2.0,>=2.0.5",
+        "symfony/locale": "~2.0,>=2.0.5",
         "symfony/routing": "~2.2",
         "symfony/validator": "~2.2",
         "doctrine/common": "~2.2",
diff --git a/src/Symfony/Component/Translation/composer.json b/src/Symfony/Component/Translation/composer.json
index e65668b43f..4c905342ab 100644
--- a/src/Symfony/Component/Translation/composer.json
+++ b/src/Symfony/Component/Translation/composer.json
@@ -19,7 +19,7 @@
         "php": ">=5.3.3"
     },
     "require-dev": {
-        "symfony/config": "~2.0",
+        "symfony/config": "~2.3,>=2.3.12",
         "symfony/intl": "~2.3",
         "symfony/yaml": "~2.2"
     },
diff --git a/src/Symfony/Component/Validator/composer.json b/src/Symfony/Component/Validator/composer.json
index 951ef01526..2dedcf36ec 100644
--- a/src/Symfony/Component/Validator/composer.json
+++ b/src/Symfony/Component/Validator/composer.json
@@ -17,12 +17,12 @@
     ],
     "require": {
         "php": ">=5.3.3",
-        "symfony/translation": "~2.0"
+        "symfony/translation": "~2.0,>=2.0.5"
     },
     "require-dev": {
         "symfony/http-foundation": "~2.1",
         "symfony/intl": "~2.3",
-        "symfony/yaml": "~2.0",
+        "symfony/yaml": "~2.0,>=2.0.5",
         "symfony/config": "~2.2"
     },
     "suggest": {