diff --git a/pom.xml b/pom.xml
index c01affaa..56178edd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -240,7 +240,7 @@ CSV files of various types.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-pmd-plugin</artifactId>
-        <version>3.5</version>
+        <version>3.6</version>
         <configuration>
           <targetJdk>${maven.compiler.target}</targetJdk>
         </configuration>