diff --git a/nix-darwin/default.nix b/nix-darwin/default.nix
index b81731d..cc75f84 100644
--- a/nix-darwin/default.nix
+++ b/nix-darwin/default.nix
@@ -52,6 +52,7 @@
     };
 
     brews = [
+      "libyaml"
       "mas"
       "openssl"
       "wxwidgets"