diff --git a/build.gradle b/build.gradle
index 7fa7d17..4871a59 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
 		maven { url "https://plugins.gradle.org/m2/" }
 	}
 	dependencies {
-		classpath "com.diffplug.spotless:spotless-plugin-gradle:3.18.0"
+		classpath "com.diffplug.spotless:spotless-plugin-gradle:5.14.1"
 		classpath "de.thetaphi:forbiddenapis:2.6"
 		classpath "de.aaschmid:gradle-cpd-plugin:2.0"
 		classpath "jp.classmethod.aws:gradle-aws-plugin:0.41"