diff --git a/3-extensions/protocol/dubbo-samples-rest/pom.xml b/3-extensions/protocol/dubbo-samples-rest/pom.xml
index 374fa80..1869532 100644
--- a/3-extensions/protocol/dubbo-samples-rest/pom.xml
+++ b/3-extensions/protocol/dubbo-samples-rest/pom.xml
@@ -36,7 +36,7 @@
         <validation-api.version>1.1.0.Final</validation-api.version>
         <hibernate-validator.version>4.2.0.Final</hibernate-validator.version>
         <swagger.version>1.5.19</swagger.version>
-        <tomcat.version>8.0.53</tomcat.version>
+        <tomcat.version>8.5.63</tomcat.version>
         <spring-boot.version>1.5.13.RELEASE</spring-boot.version>
     </properties>