diff --git a/sw.js b/sw.js
index 28c8328..7175251 100644
--- a/sw.js
+++ b/sw.js
@@ -24,6 +24,7 @@ async function initCache() {
     '/settings/network-settings.js',
     '/settings/connections.js',
     '/settings/connection-edit.js',
+    '/editor-lib-codemirror/codemirror-bundle.js',
   ])
 }