diff --git a/microservice-doc-demo/dubbo-samples-xml/dubbo-xml-provider/pom.xml b/microservice-doc-demo/dubbo-samples-xml/dubbo-xml-provider/pom.xml
index 28d728d2..ee8c7fb2 100644
--- a/microservice-doc-demo/dubbo-samples-xml/dubbo-xml-provider/pom.xml
+++ b/microservice-doc-demo/dubbo-samples-xml/dubbo-xml-provider/pom.xml
@@ -13,7 +13,7 @@
         <dependency>
             <groupId>org.apache.dubbo</groupId>
             <artifactId>dubbo</artifactId>
-            <version>2.7.18</version>
+            <version>2.7.21</version>
         </dependency>
         <dependency>
             <groupId>com.alibaba.nacos</groupId>