diff --git a/pkgs/development/ocaml-modules/ocf/default.nix b/pkgs/development/ocaml-modules/ocf/default.nix
new file mode 100644
index 000000000000..11be8a13a575
--- /dev/null
+++ b/pkgs/development/ocaml-modules/ocf/default.nix
@@ -0,0 +1,34 @@
+{ stdenv, fetchFromGitHub, fetchpatch, ocaml, findlib, ppx_tools, yojson }:
+
+if stdenv.lib.versionOlder ocaml.version "4.03"
+then throw "ocf not supported for ocaml ${ocaml.version}"
+else
+stdenv.mkDerivation rec {
+  name = "ocf-${version}";
+  version = "0.5.0";
+  src = fetchFromGitHub {
+    owner = "zoggy";
+    repo = "ocf";
+    rev = "release-${version}";
+    sha256 = "1fhq9l2nmr39hxzpavc0jssmba71nnmhsncdn4dsbh2ylv29w56y";
+  };
+
+  buildInputs = [ ocaml findlib ppx_tools ];
+  propagatedBuildInputs = [ yojson ];
+
+  createFindlibDestdir = true;
+
+  patches = [(fetchpatch {
+    url = "https://github.com/zoggy/ocf/commit/3a231c7a6c5e535a77c25e207af8952793436444.patch";
+    sha256 = "0nc8cggc5gxhch9amaz3s71lxs1xbgi7fs9p90cng04dsgr64xk5";
+  })
+  ];
+  meta = with stdenv.lib; {
+    description = "OCaml library to read and write configuration options in JSON syntax";
+    homepage = "https://zoggy.github.io/ocf/";
+    license = licenses.lgpl3;
+    platforms = ocaml.meta.platforms or [];
+    maintainers = with maintainers; [ regnat ];
+  };
+}
+
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 7adf1495eb23..aa2c8fd87da9 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -371,6 +371,8 @@ let
 
     ocaml_text = callPackage ../development/ocaml-modules/ocaml-text { };
 
+    ocf = callPackage ../development/ocaml-modules/ocf { };
+
     ocpBuild = callPackage ../development/tools/ocaml/ocp-build { };
 
     ocpIndent = callPackage ../development/tools/ocaml/ocp-indent { };