diff --git a/pom.xml b/pom.xml
index 39afff6fe0..b7a0277757 100644
--- a/pom.xml
+++ b/pom.xml
@@ -108,7 +108,7 @@
         <jcache.api.version>1.1.1</jcache.api.version>
         <jdk.version>11</jdk.version>
         <jetty.version>9.4.58.v20250814</jetty.version>
-        <tomcat.version>9.0.113</tomcat.version>
+        <tomcat.version>11.0.21</tomcat.version>
         <tomcat10.version>10.1.50</tomcat10.version>
         <owasp.java.encoder.version>1.4.0</owasp.java.encoder.version>
         <!-- Don't change this version without also changing the shiro-quartz and shiro-features
diff --git a/samples/web-jakarta/pom.xml b/samples/web-jakarta/pom.xml
index 043d6c3eec..d3717f7966 100644
--- a/samples/web-jakarta/pom.xml
+++ b/samples/web-jakarta/pom.xml
@@ -33,7 +33,7 @@
 
     <properties>
         <meecrowave.version>1.2.15</meecrowave.version>
-        <tomcat.version>${tomcat10.version}</tomcat.version>
+        <tomcat.version>11.0.21</tomcat.version>
         <jacoco.skip>true</jacoco.skip>
     </properties>