diff --git a/composer.json b/composer.json
index 5b4ad1b..1b00e64 100644
--- a/composer.json
+++ b/composer.json
@@ -3,8 +3,9 @@
     "description": "Wrapper for OVH APIs",
     "license": "BSD-3-Clause",
     "require": {
-        "php": ">=7.3",
-        "guzzlehttp/guzzle": "^6.0||^7.0"
+        "php": ">=7.4",
+        "guzzlehttp/guzzle": "^6.0||^7.0",
+        "ext-json": "*"
     },
     "autoload": {
         "psr-4": {"Ovh\\": "src/"}