diff --git a/pom.xml b/pom.xml
index 9f4a6f498..5a7efd714 100644
--- a/pom.xml
+++ b/pom.xml
@@ -93,7 +93,7 @@
     <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
     <maven-install-plugin.version>2.5.2</maven-install-plugin.version>
     <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
-    <maven-javadoc-plugin.version>3.0.1</maven-javadoc-plugin.version>
+    <maven-javadoc-plugin.version>3.4.0</maven-javadoc-plugin.version>
     <license-maven-plugin.version>4.1</license-maven-plugin.version>
     <maven-jar-plugin.version>3.1.0</maven-jar-plugin.version>
     <maven-release-plugin.version>2.5.3</maven-release-plugin.version>
@@ -404,7 +404,7 @@
         <plugin>
           <groupId>io.takari</groupId>
           <artifactId>maven</artifactId>
-          <version>0.3.4</version>
+          <version>0.7.7</version>
         </plugin>
 
         <plugin>