diff --git a/pom.xml b/pom.xml
index abed3d7..ac07827 100644
--- a/pom.xml
+++ b/pom.xml
@@ -635,7 +635,7 @@
     <version.plugin.maven.release>2.5.3</version.plugin.maven.release>
     <version.plugin.maven.resources>3.2.0</version.plugin.maven.resources>
     <version.plugin.maven.scm-publish>3.0.0</version.plugin.maven.scm-publish>
-    <version.plugin.maven.site>3.9.1</version.plugin.maven.site>
+    <version.plugin.maven.site>3.21.0</version.plugin.maven.site>
     <version.plugin.maven.source>3.3.1</version.plugin.maven.source>
     <version.plugin.maven.surefire>3.5.4</version.plugin.maven.surefire>
     <version.plugin.mojo.build-helper>3.6.1</version.plugin.mojo.build-helper>