diff --git a/composer.json b/composer.json
index dc0533b..b7885fa 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     }
   },
   "require": {
-    "shopware/core": "^6.5",
+    "shopware/core": "~6.5 || ~6.6",
     "ext-json": "*"
   },
   "extra": {