diff --git a/pom.xml b/pom.xml
index cc9ef9c..59ebf77 100644
--- a/pom.xml
+++ b/pom.xml
@@ -109,7 +109,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-pmd-plugin</artifactId>
-                <version>3.20.0</version>
+                <version>3.21.0</version>
                 <configuration>
                     <format>csv</format>
                     <linkXRef>true</linkXRef>