diff --git a/chartjs-java-model/pom.xml b/chartjs-java-model/pom.xml
index e506b8a..d5380f0 100644
--- a/chartjs-java-model/pom.xml
+++ b/chartjs-java-model/pom.xml
@@ -353,7 +353,7 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-pmd-plugin</artifactId>
-						<version>3.27.0</version>
+						<version>3.28.0</version>
 						<configuration>
 							<analysisCache>true</analysisCache>
 							<includeTests>true</includeTests>
diff --git a/pom.xml b/pom.xml
index 549f503..7ad0eb8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -70,7 +70,7 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-pmd-plugin</artifactId>
-						<version>3.27.0</version>
+						<version>3.28.0</version>
 						<configuration>
 							<analysisCache>true</analysisCache>
 							<includeTests>true</includeTests>