diff --git a/composer.json b/composer.json
index 49af08d230f1765d93ecad52212a97a4875af004..d587b49fb1e358e786b0eb1c12bbbb4927d0bc7e 100755
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     }
   ],
   "require": {
-    "unicaen/app":                                  ">=3.0",
+    "unicaen/app":                                  "^3.0",
     "unicaen/utilisateur":                          "dev-master",
     "unicaen/privilege":                            "dev-master"
   },