diff --git a/1.x/Chapter9-2-2/consumer/pom.xml b/1.x/Chapter9-2-2/consumer/pom.xml
index e3630d29..78529482 100644
--- a/1.x/Chapter9-2-2/consumer/pom.xml
+++ b/1.x/Chapter9-2-2/consumer/pom.xml
@@ -50,7 +50,7 @@
 		<dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>dubbo</artifactId>
-			<version>2.5.3</version>
+			<version>2.6.12</version>
 			<exclusions>
 				<exclusion>
 					<artifactId>spring</artifactId>