diff --git a/home/alacritty/macos.nix b/home/alacritty/macos.nix
index 1f728a4..e7c9cdf 100644
--- a/home/alacritty/macos.nix
+++ b/home/alacritty/macos.nix
@@ -4,6 +4,7 @@
   imports = [ ./common.nix ];
   programs.alacritty = {
     settings = {
+      background_opacity = 0.9;
       font = {
         offset = {
           x = 1;