diff --git a/pom.xml b/pom.xml
index a7ee8de..411fee0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -79,7 +79,7 @@
       </plugin>
       <plugin>
         <artifactId>maven-pmd-plugin</artifactId>
-        <version>3.20.0</version>
+        <version>3.21.0</version>
         <configuration />
       </plugin>
       <plugin>