diff --git a/server.js b/server.js
index 9a1a93e..76ebf89 100644
--- a/server.js
+++ b/server.js
@@ -3,6 +3,7 @@ import ical from 'ical';
 import fs from 'fs';
 import cron from 'node-cron';
 import axios from 'axios';
+import crypto from 'crypto';
 
 const app = express();
 app.use(express.json());