diff --git a/pkgs/development/ocaml-modules/clap/default.nix b/pkgs/development/ocaml-modules/clap/default.nix
new file mode 100644
index 000000000000..83d420c80f33
--- /dev/null
+++ b/pkgs/development/ocaml-modules/clap/default.nix
@@ -0,0 +1,24 @@
+{ lib
+, fetchFromGitHub
+, buildDunePackage
+}:
+
+buildDunePackage rec {
+  pname = "clap";
+  version = "0.3.0";
+
+  minimalOCamlVersion = "4.07";
+
+  src = fetchFromGitHub {
+    owner = "rbardou";
+    repo = pname;
+    rev = version;
+    hash = "sha256-IEol27AVYs55ntvNprBxOk3/EsBKAdPkF3Td3w9qOJg=";
+  };
+
+  meta = {
+    description = "Command-Line Argument Parsing, imperative style with a consumption mechanism";
+    license = lib.licenses.mit;
+  };
+}
+
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 2403b1d57300..1c85a7d42712 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -192,6 +192,8 @@ let
 
     cil = callPackage ../development/ocaml-modules/cil { };
 
+    clap = callPackage ../development/ocaml-modules/clap { };
+
     class_group_vdf = callPackage ../development/ocaml-modules/class_group_vdf { };
 
     cmarkit = callPackage ../development/ocaml-modules/cmarkit { };