Require stables release of SonataIntlBundle

composer.json

@@ -43,7 +43,7 @@
     "require-dev": {
         "sensio/generator-bundle": "~2.3|~3.0",
         "symfony/yaml": "~2.3|~3.0",
-        "sonata-project/intl-bundle": "dev-master",
+        "sonata-project/intl-bundle": "^2.2.4",
         "symfony/phpunit-bridge": "~2.7|~3.0"
     },
     "suggest": {