diff --git a/pkgs/development/tools/ocaml/obelisk/default.nix b/pkgs/development/tools/ocaml/obelisk/default.nix
new file mode 100644
index 000000000000..193ecd75f57a
--- /dev/null
+++ b/pkgs/development/tools/ocaml/obelisk/default.nix
@@ -0,0 +1,24 @@
+{ stdenv, fetchFromGitHub, ocamlPackages }:
+
+stdenv.mkDerivation rec {
+	name = "obelisk-${version}";
+	version = "0.2.0";
+	src = fetchFromGitHub {
+		owner = "Lelio-Brun";
+		repo = "Obelisk";
+		rev = "v${version}";
+		sha256 = "0qkxnv25rmqj7qhnw1fav88kr73ax9fjbzvkrwximz5477gjxx3p";
+	};
+
+	buildInputs = with ocamlPackages; [ ocaml findlib ocamlbuild menhir ];
+
+	installFlags = [ "BINDIR=$(out)/bin" ];
+
+	meta = {
+		description = "A simple tool which produces pretty-printed output from a Menhir parser file (.mly)";
+		license = stdenv.lib.licenses.mit;
+		maintainers = [ stdenv.lib.maintainers.vbgl ];
+		inherit (src.meta) homepage;
+		inherit (ocamlPackages.ocaml.meta) platforms;
+	};
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3cdec3e53dba..524ce4ce212f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7113,6 +7113,10 @@ with pkgs;
   noweb = callPackage ../development/tools/literate-programming/noweb { };
   nuweb = callPackage ../development/tools/literate-programming/nuweb { tex = texlive.combined.scheme-small; };
 
+  obelisk = callPackage ../development/tools/ocaml/obelisk {
+    ocamlPackages = ocaml-ng.ocamlPackages_4_03;
+  };
+
   obuild = callPackage ../development/tools/ocaml/obuild { };
 
   omake = callPackage ../development/tools/ocaml/omake {