diff --git a/aws-s3-log4j-appender/pom.xml b/aws-s3-log4j-appender/pom.xml
index 4fa8903..eb54eb6 100644
--- a/aws-s3-log4j-appender/pom.xml
+++ b/aws-s3-log4j-appender/pom.xml
@@ -99,7 +99,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>3.3.0</version>
+				<version>3.4.1</version>
 				<executions>
 					<execution>
 						<id>attach-javadocs</id>
diff --git a/fluency-log4j-appender-core/pom.xml b/fluency-log4j-appender-core/pom.xml
index a6a94c6..4517e86 100644
--- a/fluency-log4j-appender-core/pom.xml
+++ b/fluency-log4j-appender-core/pom.xml
@@ -102,7 +102,7 @@ limitations under the License.
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>3.3.0</version>
+				<version>3.4.1</version>
 				<executions>
 					<execution>
 						<id>attach-javadocs</id>
diff --git a/fluentd-log4j-appender/pom.xml b/fluentd-log4j-appender/pom.xml
index 9ae36e5..712ea01 100644
--- a/fluentd-log4j-appender/pom.xml
+++ b/fluentd-log4j-appender/pom.xml
@@ -118,7 +118,7 @@ limitations under the License.
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>3.3.0</version>
+				<version>3.4.1</version>
 				<executions>
 					<execution>
 						<id>attach-javadocs</id>