diff --git a/jmemcached-client/pom.xml b/jmemcached-client/pom.xml
index b1836bd..3feb6ea 100644
--- a/jmemcached-client/pom.xml
+++ b/jmemcached-client/pom.xml
@@ -110,7 +110,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-pmd-plugin</artifactId>
-                <version>3.11.0</version>
+                <version>3.28.0</version>
                 <configuration>
                     <targetJdk>1.7</targetJdk>
                 </configuration>
diff --git a/jmemcached-common/pom.xml b/jmemcached-common/pom.xml
index ad700d1..6b17f57 100644
--- a/jmemcached-common/pom.xml
+++ b/jmemcached-common/pom.xml
@@ -105,7 +105,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-pmd-plugin</artifactId>
-                <version>3.11.0</version>
+                <version>3.28.0</version>
                 <configuration>
                     <targetJdk>1.7</targetJdk>
                 </configuration>
diff --git a/jmemcached-server/pom.xml b/jmemcached-server/pom.xml
index 189bbd3..fd5f63e 100644
--- a/jmemcached-server/pom.xml
+++ b/jmemcached-server/pom.xml
@@ -136,7 +136,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-pmd-plugin</artifactId>
-                <version>3.11.0</version>
+                <version>3.28.0</version>
                 <configuration>
                     <targetJdk>1.8</targetJdk>
                 </configuration>