diff --git a/client-java-contrib/admissionreview/pom.xml b/client-java-contrib/admissionreview/pom.xml
index 448f1a7343..1fa2dd4bf3 100644
--- a/client-java-contrib/admissionreview/pom.xml
+++ b/client-java-contrib/admissionreview/pom.xml
@@ -37,7 +37,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>2.20.2</version>
+                <version>2.21.0</version>
                 <configuration>
                     <skip>true</skip>
                 </configuration>
diff --git a/fluent/pom.xml b/fluent/pom.xml
index 5466e31321..654c8ae78e 100644
--- a/fluent/pom.xml
+++ b/fluent/pom.xml
@@ -40,7 +40,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>2.20.2</version>
+                <version>2.21.0</version>
                 <configuration>
                     <skip>true</skip>
                 </configuration>
diff --git a/pom.xml b/pom.xml
index 8b75557b00..8fa82965dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -435,7 +435,7 @@
       <plugin>
         <groupId>com.diffplug.spotless</groupId>
         <artifactId>spotless-maven-plugin</artifactId>
-        <version>2.20.2</version>
+        <version>2.21.0</version>
         <configuration>
           <formats>
             <!-- common settings -->