diff --git a/pom.xml b/pom.xml
index e09b864..465f272 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
         <maven.version>3.8.3</maven.version>
         <maven-plugin.version>3.6.1</maven-plugin.version>
 
-        <pmd.version>6.39.0</pmd.version>
+        <pmd.version>6.40.0</pmd.version>
     </properties>
 
     <organization>