diff --git a/composer.json b/composer.json
index b15362c..f0b1446 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,6 @@
     "homepage": "http://www.claroline.net",
     "type": "claroline-plugin",
     "license": "GPL-3.0+",
-    "version": "4.0.4",
     "authors": [
         {
             "name": "Claroline development team",
@@ -15,7 +14,7 @@
     ],
     "require": {
         "php": ">=5.4.1",
-        "claroline/core-bundle": "~4.0"
+        "claroline/core-bundle": ">=4.6.0,<5.0"
     },
     "autoload": {
         "psr-0": { "Claroline\\ForumBundle": "" }