diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c987d86..caa65170 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # CHANGELOG
 
+## 1.5.29 - 2020-08-03
+- Fixed RPC Signature.
+
 ## 1.5.28 - 2020-08-03
 - Updated `endpoints`.
 
diff --git a/src/AlibabaCloud.php b/src/AlibabaCloud.php
index 9dc7dafa..deb09b53 100644
--- a/src/AlibabaCloud.php
+++ b/src/AlibabaCloud.php
@@ -30,7 +30,7 @@ class AlibabaCloud
     /**
      * Version of the Client
      */
-    const VERSION = '1.5.28';
+    const VERSION = '1.5.29';
 
     /**
      * This static method can directly call the specific service.