diff --git a/composer.json b/composer.json
index 02b7e15..8c3a39a 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
         }
     ],
     "require": {
-        "typo3/cms-core": "^9.5"
+        "typo3/cms-core": "^10.4"
     },
     "autoload": {
         "psr-4": {
@@ -21,8 +21,9 @@
             "Wrm\\Events\\Tests\\": "Tests"
         }
     },
-    "replace": {
-        "events": "self.version",
-        "typo3-ter/events": "self.version"
+    "extra": {
+        "typo3/cms": {
+            "extension-key": "events"
+        }
     }
 }