diff --git a/src/Qiniu/Config.php b/src/Qiniu/Config.php
index 712320a5..c9f2ec72 100644
--- a/src/Qiniu/Config.php
+++ b/src/Qiniu/Config.php
@@ -3,7 +3,7 @@
 
 final class Config
 {
-    const SDK_VER = '7.0.2';
+    const SDK_VER = '7.0.3';
 
     const BLOCK_SIZE = 4194304; //4*1024*1024 分块上传块大小，该参数为接口规格，暂不支持修改