diff --git a/flake.nix b/flake.nix
index 35ef43f..92f6fed 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,5 +12,6 @@
   in
   {
     packages.default = pkgs.callPackage ./default.nix {};
+    devShells.default = pkgs.callPackage ./shell.nix {};
   });
 }
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..797ed0b
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,7 @@
+{pkgs ? import <nixpkgs> {}, ...}:
+# I use emacs and merlin while developing
+
+pkgs.mkShellNoCC {
+  inputsFrom = [(import ./default.nix {pkgs=pkgs;})];
+  packages = [pkgs.ocamlPackages.merlin];
+}