diff --git a/pom.xml b/pom.xml
index b346341..f91fba9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -209,7 +209,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-pmd-plugin</artifactId>
-        <version>3.20.0</version>
+        <version>3.21.0</version>
         <configuration>
           <includeTests>true</includeTests>
           <printFailingErrors>true</printFailingErrors>