diff --git a/CHANGELOG.md b/CHANGELOG.md
index e05a5cfa..e36c8844 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # CHANGELOG
 
+## 1.5.16 - 2019-08-21
+- Updated Endpoints Data.
+
 ## 1.5.15 - 2019-08-14
 - Improved Client.
 
diff --git a/src/AlibabaCloud.php b/src/AlibabaCloud.php
index 8657eddb..77289ad6 100644
--- a/src/AlibabaCloud.php
+++ b/src/AlibabaCloud.php
@@ -30,7 +30,7 @@ class AlibabaCloud
     /**
      * Version of the Client
      */
-    const VERSION = '1.5.15';
+    const VERSION = '1.5.16';
 
     /**
      * This static method can directly call the specific service.