diff --git a/composer.json b/composer.json
index 771855505..0cab1ed69 100644
--- a/composer.json
+++ b/composer.json
@@ -6,6 +6,12 @@
     "type": "project",
     "require": {
         "php": "^7.1.3",
+        "ext-bcmath": "*",
+        "ext-ctype": "*",
+        "ext-curl": "*",
+        "ext-json": "*",
+        "ext-mbstring": "*",
+        "ext-openssl": "*",
         "beyondcode/laravel-self-diagnosis": "^1.0.2",
         "bitverse/identicon": "^1.1",
         "doctrine/dbal": "^2.7",