diff --git a/pom.xml b/pom.xml
index 8071ea47..f0478e15 100644
--- a/pom.xml
+++ b/pom.xml
@@ -80,7 +80,7 @@
     <maven-surefire-plugin.version>3.0.0-M4</maven-surefire-plugin.version>
     <maven-jar-plugin.version>3.2.0</maven-jar-plugin.version>
     <maven-pmd-plugin.version>3.14.0</maven-pmd-plugin.version>
-    <pmd.version>6.30.0</pmd.version>
+    <pmd.version>6.31.0</pmd.version>
     <maven-checkstyle-plugin.version>3.1.2</maven-checkstyle-plugin.version>
     <checkstyle.version>8.40</checkstyle.version>
     <spotbugs-maven-plugin.version>4.2.0</spotbugs-maven-plugin.version>