diff --git a/src/main/java/net/fabricmc/loom/util/Constants.java b/src/main/java/net/fabricmc/loom/util/Constants.java
index be61bdf..933503a 100644
--- a/src/main/java/net/fabricmc/loom/util/Constants.java
+++ b/src/main/java/net/fabricmc/loom/util/Constants.java
@@ -54,7 +54,7 @@ public class Constants {
 	public static final String MAPPINGS = "mappings";
 	public static final String MAPPINGS_FINAL = "mappingsFinal";
 
-	public static final String MIXIN_COMPILE_EXTENSIONS_VERSION = "0.3.0.4";
+	public static final String MIXIN_COMPILE_EXTENSIONS_VERSION = "0.3.1.5";
 	public static final String DEV_LAUNCH_INJECTOR_VERSION = "0.2.1+build.8";
 	public static final String TERMINAL_CONSOLE_APPENDER_VERSION = "1.2.0";
 }