diff --git a/.gitignore b/.gitignore
index 57872d0..3a9875b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /vendor/
+composer.lock
diff --git a/composer.json b/composer.json
index a1c2348..40d3c1a 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,8 @@
         "payum/core": "^1.7"
     },
     "require-dev": {
-        "phpunit/phpunit": "^10.4"
+        "phpunit/phpunit": "^10.4",
+        "php-http/discovery": "^1.19"
     },
     "license": "MIT",
     "autoload": {
@@ -19,5 +20,10 @@
             "name": "Webgriffe SRL",
             "email": "support@webgriffe.com"
         }
-    ]
+    ],
+    "config": {
+        "allow-plugins": {
+            "php-http/discovery": true
+        }
+    }
 }