diff --git a/gradle.properties b/gradle.properties
index ab9d2f0a..6f7aa656 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,8 +4,8 @@ org.gradle.jvmargs=-Xmx1G
 # Fabric Properties
 	# check these on https://fabricmc.net/use
     # or better: https://modmuss50.me/fabric.html
-	minecraft_version=20w13a
-	yarn_mappings=20w13a+build.1
+	minecraft_version=20w13b
+	yarn_mappings=20w13b+build.4
 	loader_version=0.7.8+build.189
 
 # Mod Properties