diff --git a/composer.json b/composer.json
index 2063cee..c3fd895 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
 		"cgo-it/xls_export": "3.0.0"
 	},
     "conflict": {
-			"contao/core": "<=2.11.*"
+			"contao/core": "<=2.11"
 	},
 	"extra":{
 		"contao": {