diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a107f9e..6fdd144b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ The change log describes what is "Added", "Removed", "Changed" or "Fixed" betwee
 
 ## Unreleased
 
+### Changed
+
+- Allow version 2 of `php-http/client-common`
+
 ### Fixed
 
 - Fix deprecated notice when using symfony/config > 4.2
diff --git a/composer.json b/composer.json
index 6862b1a4..fc7748d0 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     ],
     "require": {
         "php": "^5.5 || ^7.0",
-        "php-http/client-common": "^1.6",
+        "php-http/client-common": "^1.6 || ^2.0",
         "php-http/client-implementation": "^1.0",
         "php-http/cache-plugin": "^1.4",
         "php-http/discovery": "^1.0",