diff --git a/core/pom.xml b/core/pom.xml
index 872f9e5b5dc..fde2b9587f3 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -178,7 +178,7 @@
         <maven.install.plugin.version>3.1.3</maven.install.plugin.version>
         <maven.bundle.plugin.version>5.1.9</maven.bundle.plugin.version>
         <maven.failsafe.plugin.version>3.5.1</maven.failsafe.plugin.version>
-        <maven.site.plugin.version>3.20.0</maven.site.plugin.version>
+        <maven.site.plugin.version>3.21.0</maven.site.plugin.version>
         <glassfishbuild.version>3.2.20.payara-p2</glassfishbuild.version>
         <maven.antrun.plugin.version>3.1.0</maven.antrun.plugin.version>
         <maven.assembly.plugin.version>3.7.1</maven.assembly.plugin.version>