diff --git a/apps/firefox.nix b/apps/firefox.nix
index 8ef77a3..472b639 100644
--- a/apps/firefox.nix
+++ b/apps/firefox.nix
@@ -11,6 +11,7 @@
       ];
       settings = {
         "app.update.auto" = false;
+        "signon.rememberSignons" = false;
         "browser.formfill.enable" = false;
         "browser.tabs.firefox-view" = false;
         "browser.aboutConfig.showWarning" = false;