diff --git a/.config/sway/config b/.config/sway/config
index 2aa79c4..0879f03 100644
--- a/.config/sway/config
+++ b/.config/sway/config
@@ -266,6 +266,7 @@ assign [class="^discord$"] $workspace10
 # Floating windows
 # ------------------------------------------------------------------------------
 for_window [app_id="xfce-polkit"] floating enable
+for_window [title="^Password Required - Mozilla Thunderbird$"] floating enable
 
 # ------------------------------------------------------------------------------
 # Screenshot shortcuts
diff --git a/.zshenv b/.zshenv
index fa641a1..5c9aaff 100644
--- a/.zshenv
+++ b/.zshenv
@@ -1,5 +1,5 @@
 export EDITOR=vim
-export BROWSER=firefox
+export BROWSER=librewolf
 
 typeset -U PATH path
 path=("$HOME/.local/bin" "$path[@]")