diff --git a/composer.json b/composer.json
index c3f6564c..4e749cd1 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
     ],
     "require": {
         "ezsystems/ezpublish-kernel": "^6.2",
-        "ocramius/proxy-manager": "~1.0",
+        "ocramius/proxy-manager": "~1.0|~2.0",
         "symfony/proxy-manager-bridge": "*",
         "zetacomponents/system-information": "^1.1"
     },