diff --git a/index.html b/index.html
index c629c30..efeeb6f 100644
--- a/index.html
+++ b/index.html
@@ -46,13 +46,13 @@
 <img id="loadingGrid" src="/assets/grid6.jpg"/>
 <script>
     if (typeof navigator.serviceWorker !== 'undefined') {
-        if (localStorage.getItem('serviceWorkerVersion') !== '10') {
+        if (localStorage.getItem('serviceWorkerVersion') !== '11') {
             caches.keys().then(cacheNames => {
                 cacheNames.forEach(cacheName => {
                     caches.delete(cacheName);
                 });
             });
-            localStorage.setItem('serviceWorkerVersion', '10');
+            localStorage.setItem('serviceWorkerVersion', '11');
         }
         navigator.serviceWorker.register('/sw.js', {updateViaCache: 'none'});
     }
diff --git a/public/sw.js b/public/sw.js
index c265489..d918762 100644
--- a/public/sw.js
+++ b/public/sw.js
@@ -1,5 +1,5 @@
 importScripts('https://storage.googleapis.com/workbox-cdn/releases/7.1.0/workbox-sw.js');
-const VERSION = '10';
+const VERSION = '11';
 const CACHE = "deepdiagram";
 const IMAGEDELIVERY_CACHE = "deepdiagram-images";
 const MAPTILE_CACHE = 'maptiler';