diff --git a/composer.json b/composer.json
index 5bae04b..388d6ba 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     }
   },
   "require": {
-    "shopware/core": "^6.6",
+    "shopware/core": "^6.5",
     "ext-json": "*"
   },
   "extra": {