diff --git a/build.gradle b/build.gradle
index 3d5cc68..62bea24 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@ plugins {
 	id 'groovy' // groovy support
 	id 'java' // java support
 	id 'scala' // scala support
-	id 'com.diffplug.spotless' version '5.15.1' // code format
+	id 'com.diffplug.spotless' version '6.4.2' // code format
 }