diff --git a/CHANGELOG.md b/CHANGELOG.md
index a16160e..645f74d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ The change log describes what is "Added", "Removed", "Changed" or "Fixed" betwee
 - Add new PHPUnit tests for our API
 - Added `Maingun\Api\Attachment`
 - Fluent interface for `MessageBuilder` and `BatchMessage`
+- Support for HTTPlug 2.0
 
 ### Changed
 
diff --git a/composer.json b/composer.json
index 5e6c88c..4a7efe3 100644
--- a/composer.json
+++ b/composer.json
@@ -2,8 +2,8 @@
     "name": "mailgun/mailgun-php",
     "description": "The Mailgun SDK provides methods for all API functions.",
     "require": {
-        "php": "^5.5|^7.0",
-        "php-http/httplug": "^1.0",
+        "php": "^5.5 || ^7.0",
+        "php-http/httplug": "^1.0 || ^2.0",
         "php-http/multipart-stream-builder": "^1.0",
         "php-http/message": "^1.0",
         "php-http/client-common": "^1.1",