fixed constraints

Author: fabpot

composer.json

@@ -20,7 +20,7 @@
         "ext-xml": "*",
         "symfony/asset": "~2.7|~3.0.0",
         "symfony/class-loader": "~2.1|~3.0.0",
-        "symfony/dependency-injection": "~2.8",
+        "symfony/dependency-injection": "~2.8.41",
         "symfony/config": "~2.8",
         "symfony/event-dispatcher": "~2.8|~3.0.0",
         "symfony/finder": "^2.0.5|~3.0.0",