diff --git a/2-JavaWeb/Servlet/SampleCode/ServletDemo2/pom.xml b/2-JavaWeb/Servlet/SampleCode/ServletDemo2/pom.xml
index 186caf4..a3d1ddc 100644
--- a/2-JavaWeb/Servlet/SampleCode/ServletDemo2/pom.xml
+++ b/2-JavaWeb/Servlet/SampleCode/ServletDemo2/pom.xml
@@ -29,7 +29,7 @@
     <dependency>
       <groupId>org.apache.tomcat.embed</groupId>
       <artifactId>tomcat-embed-core</artifactId>
-      <version>9.0.35</version>
+      <version>9.0.99</version>
     </dependency>
   </dependencies>