diff --git a/docs/cn/Example_Simple_cn.md b/docs/cn/Example_Simple_cn.md
index f0a2b6a1dea..9c8729223bb 100644
--- a/docs/cn/Example_Simple_cn.md
+++ b/docs/cn/Example_Simple_cn.md
@@ -9,12 +9,12 @@ maven:
 <dependency>
   <groupId>org.apache.rocketmq</groupId>
   <artifactId>rocketmq-client</artifactId>
-  <version>4.3.0</version>
+  <version>5.5.0</version>
 </dependency>
 ```
 gradle: 
 ``` java 
-compile 'org.apache.rocketmq:rocketmq-client:4.3.0'
+compile 'org.apache.rocketmq:rocketmq-client:5.5.0'
 ```
 ### 2 发送消息
 ##### 2.1 使用Producer发送同步消息
diff --git a/docs/cn/RocketMQ_Example.md b/docs/cn/RocketMQ_Example.md
index 77c1bd7b270..12f637cad34 100644
--- a/docs/cn/RocketMQ_Example.md
+++ b/docs/cn/RocketMQ_Example.md
@@ -54,12 +54,12 @@
 <dependency>
     <groupId>org.apache.rocketmq</groupId>
     <artifactId>rocketmq-client</artifactId>
-    <version>4.9.1</version>
+    <version>5.5.0</version>
 </dependency>
 ```
 `gradle`
 ```
-compile 'org.apache.rocketmq:rocketmq-client:4.3.0'
+compile 'org.apache.rocketmq:rocketmq-client:5.5.0'
 ```
 ### 1.2 消息发送