diff --git a/shell.nix b/shell.nix
index 3007abd..1c06626 100644
--- a/shell.nix
+++ b/shell.nix
@@ -2,9 +2,10 @@ let
   inputs = import ./deps;
   pkgs = import inputs.nixpkgs { };
   nixos-anywhere = pkgs.callPackage "${inputs.nixos-anywhere}/src/default.nix" { };
+  agenix = pkgs.callPackage "${inputs.agenix}/pkgs/agenix.nix" { };
 in
 pkgs.mkShell {
-  nativeBuildInputs = with pkgs; [ colmena npins nixos-anywhere ];
+  nativeBuildInputs = with pkgs; [ colmena npins nixos-anywhere agenix ];
 }