diff --git a/home/default.nix b/home/default.nix
index ea0476e..7428059 100644
--- a/home/default.nix
+++ b/home/default.nix
@@ -30,7 +30,7 @@
         # TODO: Use sessionPath after https://github.com/nix-community/home-manager/issues/3324
         programs.zsh.initExtra = ''
           export PATH=/etc/profiles/per-user/$USER/bin:/run/current-system/sw/bin/:$PATH
-          # For 1Password CLI
+          # For 1Password CLI. This requires `pkgs.gh` to be installed.
           source $HOME/.config/op/plugins.sh
         '';
       };
diff --git a/systems/darwin.nix b/systems/darwin.nix
index 79a445c..ef46932 100644
--- a/systems/darwin.nix
+++ b/systems/darwin.nix
@@ -10,6 +10,7 @@
     pandoc
     nodejs # Required for VSCode's webhint extension
     nil
+    gh
     nixpkgs-fmt
     emanote