diff --git a/pom.xml b/pom.xml
index ee42b62a2d..672f96c4c1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1102,7 +1102,7 @@
         <!-- mvn javadoc:* -->
         <plugin>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>3.2.0</version>
+          <version>3.3.0</version>
           <configuration>
             <!-- add this to disable checking -->
             <failOnError>false</failOnError>
@@ -1236,7 +1236,7 @@
           </plugin>
           <plugin>
             <artifactId>maven-javadoc-plugin</artifactId>
-            <version>3.0.1</version>
+            <version>3.3.0</version>
             <executions>
               <execution>
                 <id>attach-javadocs</id>
@@ -1320,7 +1320,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>3.0.1</version>
+        <version>3.3.0</version>
         <configuration>
           <doclet>org.umlgraph.doclet.UmlGraphDoc</doclet>
           <docletArtifact>