diff --git a/lab/pom.xml b/lab/pom.xml
index 426bb8e..4900418 100644
--- a/lab/pom.xml
+++ b/lab/pom.xml
@@ -74,7 +74,7 @@
         <dependency>
             <groupId>org.apache.dubbo</groupId>
             <artifactId>dubbo</artifactId>
-            <version>2.7.15</version>
+            <version>2.7.21</version>
         </dependency>
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