diff --git a/composer.json b/composer.json
index 257d08f..8e288c7 100755
--- a/composer.json
+++ b/composer.json
@@ -10,6 +10,9 @@
     ],
     "minimum-stability": "stable",
     "require": {
+        "ext-json": "*",
+        "ext-curl": "*",
+        "ext-zip": "*",
         "desarrolla2/cache": "2.1.*",
         "monolog/monolog": "1.23.*",
         "php": ">= 7.1.0",