1 files changed, 1 insertions, 0 deletions
diff --git a/worker.js b/worker.js
index abca0b4..fec8908 100644
--- a/worker.js
+++ b/worker.js
@@ -20,6 +20,7 @@ self.addEventListener('install', function(event) {
 			'themes/default.css',
 			'themes/mocca.css',
 			'themes/night.css',
+			'themes/plan9.css',
 			'lib/promise.js',
 			'lib/fetch.js',
 			'lib/zip.min.js',