diff --git a/composer.json b/composer.json
index 195d4ad..4be6ac5 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require":      {
-        "knplabs/gaufrette": "~0.1.7|~0.2|~0.3|~0.4",
+        "knplabs/gaufrette": "~0.1.7|~0.2|~0.3|~0.4|~0.5",
         "symfony/config": "~2.1|~3.0|~4.0",
         "symfony/dependency-injection": "~2.1|~3.0|~4.0",
         "symfony/framework-bundle": "~2.0|~3.0|~4.0"
@@ -34,7 +34,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "0.4.x-dev"
+            "dev-master": "0.5.x-branch"
         }
     }
 }