diff --git a/pkgs/development/ocaml-modules/visitors/default.nix b/pkgs/development/ocaml-modules/visitors/default.nix
new file mode 100644
index 000000000000..506721f7bf5e
--- /dev/null
+++ b/pkgs/development/ocaml-modules/visitors/default.nix
@@ -0,0 +1,23 @@
+{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, cppo, ppx_tools, ppx_deriving, result }:
+
+stdenv.mkDerivation {
+  name = "ocaml${ocaml.version}-visitors-20171124";
+
+  src = fetchurl {
+    url = http://gallium.inria.fr/~fpottier/visitors/visitors-20171124.tar.gz;
+    sha256 = "04047k2v0pgwcdkgw7jk4955pgil0nj2ji0zfhmlqrdbinyfqzac";
+  };
+
+  buildInputs = [ ocaml findlib ocamlbuild cppo ];
+  propagatedBuildInputs = [ ppx_tools ppx_deriving result ];
+
+  createFindlibDestdir = true;
+
+  meta = with stdenv.lib; {
+    homepage = https://gitlab.inria.fr/fpottier/visitors;
+    license = licenses.lgpl21;
+    description = "An OCaml syntax extension (technically, a ppx_deriving plugin) which generates object-oriented visitors for traversing and transforming data structures";
+    inherit (ocaml.meta) platforms;
+    maintainers = [ maintainers.marsam ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 2f6992e1c9a5..742f8cbaba56 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -735,6 +735,8 @@ let
 
     vg = callPackage ../development/ocaml-modules/vg { };
 
+    visitors = callPackage ../development/ocaml-modules/visitors { };
+
     wasm = callPackage ../development/ocaml-modules/wasm { };
 
     wtf8 = callPackage ../development/ocaml-modules/wtf8 { };