diff --git a/app/index.html b/app/index.html
index 75cf20b..ee13ccf 100644
--- a/app/index.html
+++ b/app/index.html
@@ -108,7 +108,7 @@
                           clients-claim
                           skip-waiting
                           on-service-worker-installed="displayInstalledToast">
-      <platinum-sw-cache default-cache-strategy="networkFirst"
+      <platinum-sw-cache default-cache-strategy="cacheFirst"
                          precache-file="precache.json">
       </platinum-sw-cache>
     </platinum-sw-register>