diff --git a/pkgs/development/ocaml-modules/gendarme/default.nix b/pkgs/development/ocaml-modules/gendarme/default.nix
new file mode 100644
index 000000000000..ae5345407847
--- /dev/null
+++ b/pkgs/development/ocaml-modules/gendarme/default.nix
@@ -0,0 +1,27 @@
+{
+  lib,
+  buildDunePackage,
+  fetchFromGitHub,
+}:
+
+buildDunePackage rec {
+  pname = "gendarme";
+  version = "0.3";
+
+  minimalOCamlVersion = "4.08";
+
+  src = fetchFromGitHub {
+    owner = "bensmrs";
+    repo = "gendarme";
+    tag = version;
+    hash = "sha256-GWWAbYevd74YYRpyUjEI4rtzuXGZPp4Wa4uUqD6D7l8=";
+  };
+
+  meta = {
+    description = "Marshalling library for OCaml";
+    homepage = "https://github.com/bensmrs/gendarme";
+    changelog = "https://github.com/bensmrs/gendarme/releases/tag/${version}";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.ethancedwards8 ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 8b30769c3e46..05a44028b266 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -679,6 +679,8 @@ let
 
         gen_js_api = callPackage ../development/ocaml-modules/gen_js_api { };
 
+        gendarme = callPackage ../development/ocaml-modules/gendarme { };
+
         genspio = callPackage ../development/ocaml-modules/genspio { };
 
         get-activity = callPackage ../development/ocaml-modules/get-activity { };