diff --git a/.chezmoiexternal.toml b/.chezmoiexternal.toml
index 4165769..aefd0c0 100644
--- a/.chezmoiexternal.toml
+++ b/.chezmoiexternal.toml
@@ -6,4 +6,4 @@
 [".mozilla/firefox/personal-profile.default/updater.sh"]
     type = "file"
     url = "https://raw.githubusercontent.com/arkenfox/user.js/master/updater.sh"
-    refreshPeriod = "168h" # Weekly
+    refreshPeriod = "720h" # Monthly