diff --git a/build.gradle.kts b/build.gradle.kts
index cf87109..371f79e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -13,7 +13,7 @@ plugins {
     id("org.sonarqube") version "4.3.0.3225"
     kotlin("jvm") version "1.8.21"
     kotlin("plugin.serialization") version "1.8.21"
-    id("com.diffplug.spotless") version "6.20.0"
+    id("com.diffplug.spotless") version "6.21.0"
     `java-library`
     `maven-publish`
     signing