diff --git a/pom.xml b/pom.xml
index 97a7fc6..594cc1b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
         <project.info.version>3.8.0</project.info.version>
         <jxr.version>3.5.0</jxr.version>
         <taglist.version>3.2.1</taglist.version>
-        <m3.site.version>3.20.0</m3.site.version>
+        <m3.site.version>3.21.0</m3.site.version>
         <slf4j.version>2.0.16</slf4j.version>
         <jmh.version>1.37</jmh.version>
         <junit.version>4.13.2</junit.version>