diff --git a/gts-example-b/gts-example-b-impl/pom.xml b/gts-example-b/gts-example-b-impl/pom.xml
index ddcd1f1..0e735cf 100644
--- a/gts-example-b/gts-example-b-impl/pom.xml
+++ b/gts-example-b/gts-example-b-impl/pom.xml
@@ -132,7 +132,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>dubbo</artifactId>
-            <version>2.5.3</version>
+            <version>2.6.12</version>
         </dependency>
         <dependency>
             <groupId>com.101tec</groupId>