diff --git a/khelo/functions/src/mail/mail_service.js b/khelo/functions/src/mail/mail_service.js
index 64a11db2..c1f16a7c 100644
--- a/khelo/functions/src/mail/mail_service.js
+++ b/khelo/functions/src/mail/mail_service.js
@@ -1,3 +1,5 @@
+const {onCall} = require("firebase-functions/v2/https");
+
 exports.sendSupportRequest = onCall({ region: "asia-south1"}, async (request) => {
 
     const db = admin.firestore();