diff --git a/worldedit-neoforge/src/main/resources/worldedit-neoforge.mixins.json b/worldedit-neoforge/src/main/resources/worldedit-neoforge.mixins.json
index b807508229..bdcb943519 100644
--- a/worldedit-neoforge/src/main/resources/worldedit-neoforge.mixins.json
+++ b/worldedit-neoforge/src/main/resources/worldedit-neoforge.mixins.json
@@ -1,7 +1,7 @@
 {
     "required": true,
     "package": "com.sk89q.worldedit.neoforge.mixin",
-    "compatibilityLevel": "JAVA_17",
+    "compatibilityLevel": "JAVA_21",
     "mixins": [
         "AccessorServerPlayerGameMode",
         "MixinLevelChunkSetBlockHook",