diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-war/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-war/pom.xml
index ecced122..8be08999 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-war/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-war/pom.xml
@@ -28,7 +28,7 @@
   <name>mybatis-spring-boot-sample-war</name>
   <properties>
     <tomcat.major.version>11</tomcat.major.version>
-    <tomcat.version>11.0.8</tomcat.version>
+    <tomcat.version>11.0.9</tomcat.version>
 
     <module.name>org.mybatis.spring.boot.sample.war</module.name>
   </properties>