diff --git a/build.gradle b/build.gradle
index a566d5c..1247315 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@ plugins {
 	id 'groovy' // groovy support
 	id 'java' // java support
 	id 'com.diffplug.spotless' version '6.8.0' //code format
-	id "com.github.johnrengelman.shadow" version "7.1.2" // fat jar
+	id "com.github.johnrengelman.shadow" version "8.1.1" // fat jar
 }
 
 ext {