diff --git a/package.json b/package.json
index 93ae5c0..fb09b57 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lexiconga",
-  "version": "2.1.7",
+  "version": "2.2.0",
   "description": "The quick and easy dictionary builder for constructed languages.",
   "main": "template-index.html",
   "repository": "https://github.com/Alamantus/Lexiconga.git",
diff --git a/src/php/router.php b/src/php/router.php
index fc9c784..188102b 100644
--- a/src/php/router.php
+++ b/src/php/router.php
@@ -134,7 +134,7 @@ switch ($view) {
       oldLoad && oldLoad();
       if (UpUp) {
         UpUp.start({
-          'cache-version': '2.1.7',
+          'cache-version': '2.2.0',
           'content-url': 'offline.html',
           'assets': [
             \"" . implode('","', $files) . "\"