diff --git a/ddk-parent/pom.xml b/ddk-parent/pom.xml
index 123509b6b..523ea2b68 100644
--- a/ddk-parent/pom.xml
+++ b/ddk-parent/pom.xml
@@ -53,7 +53,7 @@
     <spotbugs.plugin.version>4.5.3.0</spotbugs.plugin.version>
     <spotbugs.version>4.5.3</spotbugs.version>
     <pmd.plugin.version>3.15.0</pmd.plugin.version>
-    <pmd.version>6.42.0</pmd.version>
+    <pmd.version>6.50.0</pmd.version>
     <tycho.version>1.6.0</tycho.version>
     <xtend.version>2.25.0</xtend.version>
   </properties>