diff --git a/agentscope-extensions/agentscope-extensions-cos/pom.xml b/agentscope-extensions/agentscope-extensions-cos/pom.xml
index 0abb55adee..6176018c07 100644
--- a/agentscope-extensions/agentscope-extensions-cos/pom.xml
+++ b/agentscope-extensions/agentscope-extensions-cos/pom.xml
@@ -48,7 +48,7 @@
         <dependency>
             <groupId>com.qcloud</groupId>
             <artifactId>cos_api</artifactId>
-            <version>5.6.245</version>
+            <version>5.6.275</version>
         </dependency>
     </dependencies>
 </project>