diff --git a/pom.xml b/pom.xml
index 0071a50..e510d3c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -539,7 +539,7 @@ under the License.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-pmd-plugin</artifactId>
-        <version>3.15.0</version>
+        <version>3.16.0</version>
         <configuration>
           <!-- targetJdk 1.1, 1.2 is not supported -->
           <targetJdk>1.3</targetJdk>