diff --git a/flake.nix b/flake.nix
index 05de786a..21a9cab0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -32,6 +32,13 @@
                   name = "hapistrano";
                   src = ./.;
                 };
+                # This is used by `nix develop .` to open a shell for use with
+                # `cabal`, `hlint` and `haskell-language-server`
+                shell.tools = {
+                  cabal = {};
+                  hlint = {};
+                  haskell-language-server = {};
+                };
                 compiler-nix-name = "ghc96";
               };
             })