diff --git a/composer.json b/composer.json
index 2226055..c9ded2b 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,6 @@
         "php-http/client-common": "^2.0",
         "php-http/discovery": "^1.0",
         "php-http/httplug": "^2.0",
-        "php-http/message-factory": "^1.0",
         "psr/http-client": "^1.0",
         "psr/http-factory": "^1.0",
         "psr/http-message": "^1.0 || ^2.0",