diff --git a/flake.nix b/flake.nix
index 38e24d8..4dc28cd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -37,5 +37,8 @@
         apps.similar-sort =
           inputs.flake-utils.lib.mkApp { drv = packages.similar-sort; };
         defaultApp = apps.similar-sort;
+
+        # `nix develop`
+        devShell = pkgs.mkShell { nativeBuildInputs = [ pkgs.go ]; };
       });
 }