diff --git a/build.gradle b/build.gradle
index 9e431f9..655485c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -32,7 +32,7 @@ minecraft {
     version = "1.8.9"
     tweakClass = "net.silentclient.client.mixin.SilentClientTweaker"
     runDir = "run"
-    mappings = "stable_20"
+    mappings = "stable_22"
     makeObfSourceJar = false
 }