diff --git a/composer.json b/composer.json
index 78caa6c..3693095 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
     },
     "require-dev": {
         "geocoder-php/provider-integration-tests": "^1.0",
-        "php-http/curl-client": "^1.7",
+        "php-http/curl-client": "^1.7 || ^2.0",
         "php-http/message": "^1.0",
         "phpunit/phpunit": "^6.5 || ^7.5"
     },