diff --git a/c3-cloudfront-clear-cache.php b/c3-cloudfront-clear-cache.php
index 1f63235e..267c0723 100644
--- a/c3-cloudfront-clear-cache.php
+++ b/c3-cloudfront-clear-cache.php
@@ -1,7 +1,7 @@
 <?php
 /*
  * Plugin Name: C3 Cloudfront Cache Controller
- * Version: 5.3.2
+ * Version: 5.3.3
  * Plugin URI:https://github.com/amimoto-ami/c3-cloudfront-clear-cache
  * Description: Manage CloudFront Cache and provide some fixtures.
  * Author: hideokamoto
diff --git a/readme.txt b/readme.txt
index 09e3eec0..99f1b198 100644
--- a/readme.txt
+++ b/readme.txt
@@ -89,6 +89,9 @@ add_filter( 'c3_select_aws_sdk', function() {
 
 == Changelog ==
 
+= 5.3.3 =
+* [Change SDK] replace sdk
+
 = 5.3.2 =
 * [Bug fix] Use EC2 role if using as AMIMOTO Managed hosting
 
@@ -202,5 +205,5 @@ add_filter( 'c3_select_aws_sdk', function() {
 
 == Upgrade Notice ==
 
-= 5.3.2 =
-* [Bug fix] Use EC2 role if using as AMIMOTO Managed hosting
\ No newline at end of file
+= 5.3.3 =
+* [Change SDK] replace sdk
\ No newline at end of file