diff --git a/src/main/resources/wurst.mixins.json b/src/main/resources/wurst.mixins.json
index d98d0cda..3fd19ae3 100644
--- a/src/main/resources/wurst.mixins.json
+++ b/src/main/resources/wurst.mixins.json
@@ -2,7 +2,7 @@
   "required": true,
   "minVersion": "0.8",
   "package": "net.wurstclient.mixin",
-  "compatibilityLevel": "JAVA_17",
+  "compatibilityLevel": "JAVA_21",
   "mixins": [],
   "client": [
     "AbstractBlockStateMixin",