diff --git a/pom.xml b/pom.xml
index dea66da..6a7bfe0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
         <dependency>
             <groupId>org.apache.dubbo</groupId>
             <artifactId>dubbo</artifactId>
-            <version>2.7.5</version>
+            <version>2.7.21</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.testng/testng -->