diff --git a/composer.json b/composer.json
index 3e6bf16..f318bc9 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
   "homepage": "https://github.com/visol/ext-locales",
   "license": "GPL-2.0-or-later",
   "require": {
-    "typo3/cms-core": "^8 || ^9 || ^10 || ^11 || ^12"
+    "typo3/cms-core": "^14.0.0"
   },
   "extra": {
     "typo3/cms": {