diff --git a/pom.xml b/pom.xml
index ec9ed418..968921b6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -83,7 +83,7 @@
     <maven-surefire-plugin.version>3.0.0-M3</maven-surefire-plugin.version>
     <maven-jar-plugin.version>3.1.2</maven-jar-plugin.version>
     <maven-pmd-plugin.version>3.12.0</maven-pmd-plugin.version>
-    <pmd.version>6.17.0</pmd.version>
+    <pmd.version>6.18.0</pmd.version>
     <maven-checkstyle-plugin.version>3.1.0</maven-checkstyle-plugin.version>
     <checkstyle.version>8.23</checkstyle.version>
     <spotbugs-maven-plugin.version>3.1.12.1</spotbugs-maven-plugin.version>