diff --git a/mse-simple-demo/A/pom.xml b/mse-simple-demo/A/pom.xml
index b0c02f2d..ce23e89f 100644
--- a/mse-simple-demo/A/pom.xml
+++ b/mse-simple-demo/A/pom.xml
@@ -64,7 +64,7 @@
         <dependency>
             <groupId>org.apache.dubbo</groupId>
             <artifactId>dubbo</artifactId>
-            <version>2.7.18</version>
+            <version>2.7.21</version>
         </dependency>
 
         <dependency>