diff --git a/composer.json b/composer.json
index 9a7ac1a..2c70fe6 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
     }
   },
   "require": {
-    "oxid-esales/oxideshop-ce": "^6.1.0"
+    "oxid-esales/oxideshop-ce": "6.1 - 6.3"
   },
   "autoload": {
     "psr-4": {