diff --git a/pom.xml b/pom.xml
index 0d12791..5e1e006 100644
--- a/pom.xml
+++ b/pom.xml
@@ -185,7 +185,7 @@
         <dependency>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-javadoc-plugin</artifactId>
-            <version>2.9.1</version>
+            <version>3.11.1</version>
             <type>maven-plugin</type>
             <exclusions>
                 <exclusion>
@@ -213,7 +213,7 @@
         <dependency>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>versions-maven-plugin</artifactId>
-            <version>2.5</version>
+            <version>2.8.1</version>
             <type>maven-plugin</type>
         </dependency>
     </dependencies>