diff --git a/composer.json b/composer.json
index 7f53595..7fe65bf 100644
--- a/composer.json
+++ b/composer.json
@@ -30,9 +30,9 @@
     },
     "require-dev": {
         "mockery/mockery": "^1.0",
+        "php-http/curl-client": "^2.0",
         "php-http/multipart-stream-builder": "^1.0",
-        "phpunit/phpunit": "^7.5 || ^8.0",
-        "symfony/http-client": "^4.3"
+        "phpunit/phpunit": "^7.5 || ^8.0"
     },
     "suggest": {
         "php-http/multipart-stream-builder": "Allow to send multipart form request (^1.0)",