diff --git a/composer.json b/composer.json
index 8c75fbb5f..815822b84 100755
--- a/composer.json
+++ b/composer.json
@@ -10,6 +10,7 @@
     "require": {
         "php": "^7.1.3",
         "ext-curl": "*",
+        "ext-intl": "*",
         "ext-mbstring": "*",
         "ext-openssl": "*",
         "ext-pdo": "*",