Fix composer deps

Author: nicolas-grekas

composer.json

@@ -20,9 +20,9 @@
         "ext-xml": "*",
         "symfony/cache": "~3.3",
         "symfony/class-loader": "~3.2",
-        "symfony/dependency-injection": "~3.3-beta2",
+        "symfony/dependency-injection": "~3.3",
         "symfony/config": "~3.3",
-        "symfony/event-dispatcher": "~3.3",
+        "symfony/event-dispatcher": "^3.3.1",
         "symfony/http-foundation": "~3.3",
         "symfony/http-kernel": "~3.3",
         "symfony/polyfill-mbstring": "~1.0",
@@ -49,7 +49,7 @@
         "symfony/serializer": "~3.3",
         "symfony/translation": "~3.2",
         "symfony/templating": "~2.8|~3.0",
-        "symfony/validator": "~3.3-rc2",
+        "symfony/validator": "~3.3",
         "symfony/workflow": "~3.3",
         "symfony/yaml": "~3.2",
         "symfony/property-info": "~3.3",
@@ -69,7 +69,7 @@
         "symfony/property-info": "<3.3",
         "symfony/serializer": "<3.3",
         "symfony/translation": "<3.2",
-        "symfony/validator": "<3.3-rc2",
+        "symfony/validator": "<3.3",
         "symfony/workflow": "<3.3"
     },
     "suggest": {