diff --git a/src/main.js b/src/main.js
index 6660c5e..4212cf4 100644
--- a/src/main.js
+++ b/src/main.js
@@ -1,3 +1,4 @@
+"use strict";
 const logger = require("./helper/logger.js")("main");
 
 const { requireEnvVars } = require("./helper/env.js");