diff --git a/service-worker.js b/service-worker.js
index 4013ca2..1feca7e 100644
--- a/service-worker.js
+++ b/service-worker.js
@@ -9,6 +9,7 @@ const urlsToCache = [
   '/CSS/2.css',
   '/CSS/tr/1.css',
   '/CSS/tr/2.css',
+  '/CSS/unpkg.comswiper@8swiper-bundle.min.css',
   '/JAVASCRIPT/1.js',
   '/JAVASCRIPT/tr/1.js',
   '/JAVASCRIPT/darkmode-js.min.js',