diff --git a/sdk/composer.json b/sdk/composer.json
index 273893a..a406500 100644
--- a/sdk/composer.json
+++ b/sdk/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "aliyuncs/oss-sdk-php": "^2.3",
+        "aliyuncs/oss-sdk-php": "^2.7",
         "alibabacloud/credentials": "^1.1"
     }
 }