diff --git a/README.md b/README.md
index 710e0c5..56ecb03 100644
--- a/README.md
+++ b/README.md
@@ -40,4 +40,4 @@ Hinweis
 - Alternativ, in 10er-Pakete splitten: `pwsh tool/export.ps1 -Minimal -AsFolder -Chunk 10` und die erzeugten `pack-***` Ordner nacheinander hochladen.
 - Standard-Ordner: `-AsFolder` ohne `-Chunk` erzeugt einen kompletten Ordner (ggf. in mehreren Uploads á 10 Dateien hochladen).
 
-flutter build web --release --web-renderer html --pwa-strategy=none --dart-define=BUILD_NUMBER=2025.11.24.2 --dart-define=BACKEND_BASE_URL=https://api.windesign.at/multimedia.php
+flutter build web --release --web-renderer html --pwa-strategy=none --dart-define=BUILD_NUMBER=2026.01.08.1 --dart-define=BACKEND_BASE_URL=https://api.windesign.at/multimedia.php
diff --git a/web/.htaccess b/web/.htaccess
index 7941175..41402e4 100644
--- a/web/.htaccess
+++ b/web/.htaccess
@@ -31,6 +31,14 @@ AddType text/css css
     Header set Cache-Control "public, max-age=3600"
   </FilesMatch>
 
+  # Never cache service worker or manifest (avoid stale app shell)
+  <FilesMatch "^flutter_service_worker\.js$">
+    Header set Cache-Control "no-cache, no-store, must-revalidate, max-age=0"
+  </FilesMatch>
+  <FilesMatch "^manifest\.json$">
+    Header set Cache-Control "no-cache, max-age=0"
+  </FilesMatch>
+
   # Never cache the HTML entry point
   <FilesMatch "^index\.html$">
     Header set Cache-Control "no-cache, no-store, must-revalidate, max-age=0"
@@ -50,4 +58,3 @@ AddType text/css css
   AddOutputFilterByType DEFLATE \
     text/html text/plain text/css application/javascript application/json application/wasm image/svg+xml
 </IfModule>
-