diff --git a/extra-service-worker.js b/extra-service-worker.js
index 40bfda8..808432b 100644
--- a/extra-service-worker.js
+++ b/extra-service-worker.js
@@ -1,6 +1,6 @@
 // List of extra files to be precached for offline use.
 // WARNING: don't forget to update the revision before deploy
-var revision = "8";
+var revision = "9";
 self.__precacheManifest = (self.__precacheManifest || []).concat([
     {
         "revision": revision,
diff --git a/final-service-worker.js b/final-service-worker.js
index 84a62a2..3ff574d 100644
--- a/final-service-worker.js
+++ b/final-service-worker.js
@@ -1,6 +1,6 @@
 // List of extra files to be precached for offline use.
 // WARNING: don't forget to update the revision before deploy
-var revision = "8";
+var revision = "9";
 self.__precacheManifest = (self.__precacheManifest || []).concat([
     {
         "revision": revision,