diff --git a/composer.json b/composer.json
index 8686027..21ff774 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "php"                          : ">=5.3.3",
         "alchemy/binary-driver"        : "~1.5",
         "doctrine/cache"               : "~1.0",
-        "evenement/evenement"          : "~1.0",
+        "evenement/evenement"          : "^2.0|^1.0",
         "neutron/temporary-filesystem" : "~2.1, >=2.1.1"
     },
     "suggest": {