diff --git a/gradle.properties b/gradle.properties
index f275713c..d197e465 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ org.gradle.jvmargs=-Xmx1G
 	# check these on https://fabricmc.net/use
     # or better: https://modmuss50.me/fabric.html
 	minecraft_version=20w15a
-	yarn_mappings=20w15a+build.1
+	yarn_mappings=20w15a+build.4
 	loader_version=0.8.2+build.194
 
 # Mod Properties