diff --git a/vite.config.ts b/vite.config.ts
index dba91aa..2fb0fca 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -27,6 +27,14 @@ export default defineConfig({
 				globPatterns: ['client/**/*.{js,css,ico,png,svg,webp,woff,woff2}'],
 				navigateFallback: '/',
 				runtimeCaching: [
+					{
+						urlPattern: /\/api\/notes\/.*\/attachments\?attachmentId=/,
+						handler: 'CacheFirst',
+						options: {
+							cacheName: 'attachment-cache',
+							expiration: { maxEntries: 200, maxAgeSeconds: 365 * 24 * 60 * 60 }
+						}
+					},
 					{
 						urlPattern: /^https?:\/\/.*\/api\//,
 						handler: 'NetworkFirst',