diff --git a/server.js b/server.js
index 969e171..68c1ba8 100644
--- a/server.js
+++ b/server.js
@@ -52,7 +52,11 @@ const server = http.createServer((req, res) => {
         }
 
         const readStream = fs.createReadStream(filePath);
-        res.writeHead(200, { 'Content-Type': 'application/octet-stream' });
+        res.writeHead(200, {
+            'Content-Type': 'application/octet-stream',
+            'Cache-Control': 'no-store, no-cache, must-revalidate',
+            'Expires': 0
+        });
         readStream.pipe(res);
 
         // Delete immediately after stream ends