diff --git a/src/healthcheck.js b/src/healthcheck.js
index 775ba03..11d11f9 100644
--- a/src/healthcheck.js
+++ b/src/healthcheck.js
@@ -1,4 +1,4 @@
-var http = require("http");
+import * as http from 'http';
 var options = {
   timeout: 2000,
 };