diff --git a/dotfiles/firefox.js b/dotfiles/firefox.js
index 434f40d..216b296 100644
--- a/dotfiles/firefox.js
+++ b/dotfiles/firefox.js
@@ -68,6 +68,7 @@ user_pref("network.trr.mode", 5);
 
 // Disable auto-update
 user_pref("app.update.auto", false);
+user_pref("app.update.interval", 259200);
 user_pref("beacon.enabled", false);
 
 // Disable annoying prompts