diff --git a/gradle.properties b/gradle.properties
index e3d209fa..618621db 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=1.15-pre3
-	yarn_mappings=1.15-pre3+build.2
+	minecraft_version=1.15-pre4
+	yarn_mappings=1.15-pre4+build.1
 	loader_version=0.7.2+build.174
 
 # Mod Properties