diff --git a/src/main/resources/floodgate.mixins.json b/src/main/resources/floodgate.mixins.json
index ded3017..ca8e559 100644
--- a/src/main/resources/floodgate.mixins.json
+++ b/src/main/resources/floodgate.mixins.json
@@ -2,7 +2,7 @@
   "required": true,
   "minVersion": "0.8",
   "package": "org.geysermc.floodgate.mixin",
-  "compatibilityLevel": "JAVA_21",
+  "compatibilityLevel": "JAVA_17",
   "mixins": [
     "ChunkMapMixin",
     "ClientIntentionPacketMixin",