diff --git a/cli/build.gradle b/cli/build.gradle
index 0a4a4f78..209b3653 100644
--- a/cli/build.gradle
+++ b/cli/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id "com.diffplug.spotless" version "6.20.0"
+    id "com.diffplug.spotless" version "6.21.0"
 }
 
 apply plugin: 'application'
diff --git a/lib/build.gradle b/lib/build.gradle
index e996d17e..a2644782 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id "com.diffplug.spotless" version "6.20.0"
+    id "com.diffplug.spotless" version "6.21.0"
 }
 
 dependencies {