diff --git a/deepl-java/build.gradle.kts b/deepl-java/build.gradle.kts
index 0db0e51..f85d33f 100644
--- a/deepl-java/build.gradle.kts
+++ b/deepl-java/build.gradle.kts
@@ -2,7 +2,7 @@ plugins {
     `java-library`
     `maven-publish`
     signing
-    id("com.diffplug.spotless") version "6.8.0"
+    id("com.diffplug.spotless") version "6.21.0"
 }
 
 group = "com.deepl.api"