diff --git a/public/index.html b/public/index.html
index 98c8abe..7bfdb42 100644
--- a/public/index.html
+++ b/public/index.html
@@ -65,8 +65,8 @@
     </style>
     
     <!-- Load full CSS asynchronously with fallback -->
-    <link rel="stylesheet" href="style.css?v=3" media="print" onload="this.media='all';this.onload=null">
-    <noscript><link rel="stylesheet" href="style.css?v=3"></noscript>
+    <link rel="stylesheet" href="style.css?v=VERSION" media="print" onload="this.media='all';this.onload=null">
+    <noscript><link rel="stylesheet" href="style.css?v=VERSION"></noscript>
     
     <!-- Load Telegram script asynchronously (defer) -->
     <script src="https://telegram.org/js/telegram-web-app.js" defer></script>
@@ -203,6 +203,6 @@
     </div>
 
     <!-- Load app script with defer for better performance -->
-    <script src="dist/script.js?v=3" defer></script>
+    <script src="dist/script.js?v=VERSION" defer></script>
 </body>
 </html>
diff --git a/src/server.ts b/src/server.ts
index cb5dfa7..46ce286 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -44,7 +44,7 @@ app.use((req: Request, res: Response, next) => {
 
 // Optimized caching strategy
 app.use(express.static('public', {
-    maxAge: '365d', // Cache static assets for 1 year by default
+    maxAge: 0, // Don't cache by default, set specific headers below
     etag: true,
     lastModified: true,
     setHeaders: (res: Response, filePath: string) => {
@@ -52,13 +52,21 @@ app.use(express.static('public', {
         if (filePath.match(/\.(jpg|jpeg|png|gif|ico|woff|woff2|ttf|eot|svg)$/)) {
             res.set('Cache-Control', 'public, max-age=31536000, immutable');
         }
-        // Cache CSS and JS with version string for 1 year
+        // Cache CSS and JS with version string for 1 year (they have ?v= in URL)
         else if (filePath.match(/\.(css|js)$/)) {
-            res.set('Cache-Control', 'public, max-age=31536000, immutable'); // 1 year
+            res.set('Cache-Control', 'public, max-age=31536000, immutable');
         }
-        // HTML files - short cache with revalidation
+        // HTML files - NO CACHE
         else if (filePath.match(/\.html$/)) {
-            res.set('Cache-Control', 'public, max-age=0, must-revalidate');
+            res.set('Cache-Control', 'no-cache, no-store, must-revalidate');
+            res.set('Pragma', 'no-cache');
+            res.set('Expires', '0');
+        }
+        // JSON files (version.json) - NO CACHE
+        else if (filePath.match(/\.json$/)) {
+            res.set('Cache-Control', 'no-cache, no-store, must-revalidate');
+            res.set('Pragma', 'no-cache');
+            res.set('Expires', '0');
         }
     }
 }));
@@ -99,8 +107,8 @@ app.get('/', (req: Request, res: Response) => {
     // Read HTML and inject version
     try {
         let html = fs.readFileSync(indexPath, 'utf8');
-        // Replace version placeholders with actual version
-        html = html.replace(/\?v=\d+/g, `?v=${appVersion}`);
+        // Replace all version placeholders with actual version
+        html = html.replace(/\?v=(VERSION|\d+)/g, `?v=${appVersion}`);
         res.send(html);
     } catch (error) {
         logger.error('Error serving HTML:', error);