diff --git a/pom.xml b/pom.xml
index 0afb6a3..03c325b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -105,7 +105,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-pmd-plugin</artifactId>
-        <version>3.0.1</version>
+        <version>3.21.2</version>
             <configuration>
                 <targetJdk>1.8</targetJdk> 
                 <rulesets>