diff --git a/flake.nix b/flake.nix
index 67a76d7..f6d4eeb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -161,6 +161,16 @@
 
       ### nix {run,shell,build}
       packages = import ./pkgs pkgs;
+
+      ### nix develop
+      devShells.default = pkgs.mkShell {
+        packages = with pkgs; [
+          alejandra
+          colmena
+          git
+          sops
+        ];
+      };
     })
     // (let
       mkNixOS = system: modules: