diff --git a/pom.xml b/pom.xml
index 775716ee7b2..5cdff58c107 100644
--- a/pom.xml
+++ b/pom.xml
@@ -202,7 +202,7 @@
     <version.geronimo-mail_2.1_spec>1.0.2</version.geronimo-mail_2.1_spec>
 
     <!-- Jakarta EE Impl. -->
-    <tomcat.version>11.0.20</tomcat.version>
+    <tomcat.version>11.0.21</tomcat.version>
     <!-- com.sun -->
     <version.impl.saaj>3.0.4</version.impl.saaj>
     <!-- org.apache -->