diff --git a/nix/devShells/haddock2.nix b/nix/devShells/haddock2.nix
new file mode 100644
index 00000000..30e5302e
--- /dev/null
+++ b/nix/devShells/haddock2.nix
@@ -0,0 +1,13 @@
+{pkgs ? import <nixpkgs> {}}:
+pkgs.mkShell rec {
+  name = "haddock2";
+
+  packages = with pkgs; [
+    cabal-install
+    haskell.packages.ghc912.ghc
+    haskellPackages.cabal-fmt
+    zlib
+  ];
+
+  env.LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath packages;
+}