diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0c49b08..a28780c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [0.11.18] - 2020-02-04
+## Added
+- Add `php-http/guzzle6-adapter` ^1.1 version
+
 ## [0.11.17] - 2019-12-18
 ## Fixed
 - Fix hangul `original_filename` of function `createPresignedUrl` in `S3Service`
diff --git a/composer.json b/composer.json
index 85b582b..9d61e6f 100644
--- a/composer.json
+++ b/composer.json
@@ -7,6 +7,7 @@
     "ridibooks/platform-gnfdb": "^0.1.12",
     "aws/aws-sdk-php": "^3.79",
     "guzzlehttp/guzzle": "^6.3",
+    "php-http/guzzle6-adapter": "^1.1",
     "monolog/monolog": "^1.18.0",
     "sentry/sentry": "^1.10",
     "ext-json": "*",