diff --git a/aliyun-java-sdk-chatbot/pom.xml b/aliyun-java-sdk-chatbot/pom.xml
index 2fd3eb30f9..054f2b9a4d 100644
--- a/aliyun-java-sdk-chatbot/pom.xml
+++ b/aliyun-java-sdk-chatbot/pom.xml
@@ -31,7 +31,7 @@ http://www.aliyun.com</description>
   		<groupId>com.aliyun</groupId>
   		<artifactId>aliyun-java-sdk-core</artifactId>
 		<optional>true</optional>
-  		<version>4.7.5</version>
+  		<version>4.7.8</version>
   	</dependency>
 	<dependency>
 		<groupId>com.google.code.gson</groupId>