diff --git a/composer.json b/composer.json
index c26a158..18125c7 100644
--- a/composer.json
+++ b/composer.json
@@ -21,6 +21,7 @@
   },
   "require": {
     "php": ">=7.0",
+    "ext-curl": "*",
     "ext-json": "*"
   },
   "require-dev": {