diff --git a/composer.json b/composer.json
index b7ecdb8f..e4ced4a0 100644
--- a/composer.json
+++ b/composer.json
@@ -4,6 +4,12 @@
     "description": "The official tutorial to discover the main features and concepts of TYPO3 CMS. It is based on the Introduction Package.",
     "license": "OPL-1.0",
     "require": {
-      "typo3/cms-core": "^11.0"
+      "typo3/cms-core": "^12.4"
+    },
+    "config": {
+        "allow-plugins": {
+            "typo3/cms-composer-installers": true,
+            "typo3/class-alias-loader": true
+        }
     }
 }