diff --git a/composer.json b/composer.json
index 61fd682..aa53047 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
   "type": "typo3-cms-extension",
   "license": "GPL-2.0+",
   "require": {
-    "typo3/cms-core": "^9.5 || ^10.4 || ^11.0"
+    "typo3/cms-core": "^13.1.1"
   },
   "replace": {
     "typo3-ter/dyncss": "self.version"