diff --git a/composer.json b/composer.json
index f2a458c..3c07a5e 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
     ],
     "require": {
         "php": ">=5.3.2",
-        "payum/core": "0.15.*@dev",
+        "payum/core": "0.15.*",
         "fp/klarna-invoice": "0.1.*"
     },
     "require-dev": {