diff --git a/backend/healthcheck.js b/backend/healthcheck.js
index 5dbac6b..506aaad 100644
--- a/backend/healthcheck.js
+++ b/backend/healthcheck.js
@@ -3,7 +3,7 @@ const http = require('http');
 console.log(`[${new Date().toISOString()}] Backend health check starting...`);
 
 const options = {
-  hostname: 'localhost',
+  hostname: '127.0.0.1',
   port: 5000,
   path: '/health',
   method: 'GET',
diff --git a/frontend/healthcheck.js b/frontend/healthcheck.js
index 385d430..baaced4 100644
--- a/frontend/healthcheck.js
+++ b/frontend/healthcheck.js
@@ -3,7 +3,7 @@ const http = require('http');
 console.log(`[${new Date().toISOString()}] Frontend health check starting...`);
 
 const options = {
-  hostname: 'localhost',
+  hostname: '127.0.0.1',
   port: 3000,
   path: '/',
   method: 'GET',