diff --git a/pom.xml b/pom.xml
index 193aa18..3a452ec 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <rxjava.version>3.1.8</rxjava.version>
         <javadoc.version>3.7.0</javadoc.version>
-        <pmd.version>3.21.2</pmd.version>
+        <pmd.version>3.23.0</pmd.version>
         <project.info.version>3.6.1</project.info.version>
         <jxr.version>3.4.0</jxr.version>
         <taglist.version>3.0.0</taglist.version>