diff --git a/frontend/sw.js b/frontend/sw.js
index 521e270..020b202 100644
--- a/frontend/sw.js
+++ b/frontend/sw.js
@@ -1,6 +1,6 @@
 /* ObsiGate Service Worker - PWA Support */
 
-const CACHE_VERSION = 'obsigate-v1.5.0';
+const CACHE_VERSION = 'obsigate-v1.9.0';
 const STATIC_CACHE = `${CACHE_VERSION}-static`;
 const DYNAMIC_CACHE = `${CACHE_VERSION}-dynamic`;
 const MAX_DYNAMIC_CACHE_SIZE = 50;