diff --git a/pkgs/development/coq-modules/autosubst-ocaml/default.nix b/pkgs/development/coq-modules/autosubst-ocaml/default.nix
new file mode 100644
index 000000000000..85b440c12168
--- /dev/null
+++ b/pkgs/development/coq-modules/autosubst-ocaml/default.nix
@@ -0,0 +1,47 @@
+{
+  lib,
+  mkCoqDerivation,
+  coq,
+  version ? null,
+}:
+
+mkCoqDerivation {
+  pname = "autosubst-ocaml";
+  owner = "uds-psl";
+
+  release."1.1+8.19".sha256 = "sha256-AGbhw/6lg4GpDE6hZBhau9DLW7HVXa0UzGvJfSV8oHE=";
+
+  inherit version;
+  defaultVersion =
+    with lib.versions;
+    lib.switch coq.coq-version [
+      {
+        case = isEq "8.19";
+        out = "1.1+8.19";
+      }
+    ] null;
+
+  buildInputs = with coq.ocamlPackages; [
+    angstrom
+    ocamlgraph
+    ppx_deriving
+    ppxlib
+  ];
+  useDune = true;
+
+  buildPhase = ''
+    dune build
+  '';
+
+  installPhase = ''
+    dune install --prefix $out --libdir $OCAMLFIND_DESTDIR
+  '';
+
+  meta = with lib; {
+    description = "An OCaml reimplementation of the Autosubst 2 code generator";
+    homepage = "https://github.com/uds-psl/autosubst-ocaml";
+    mainProgram = "autosubst";
+    maintainers = with maintainers; [ chen ];
+    license = licenses.mit;
+  };
+}
diff --git a/pkgs/top-level/coq-packages.nix b/pkgs/top-level/coq-packages.nix
index 0caf0c98a51f..dbee4637a848 100644
--- a/pkgs/top-level/coq-packages.nix
+++ b/pkgs/top-level/coq-packages.nix
@@ -22,6 +22,7 @@ let
       async-test = callPackage ../development/coq-modules/async-test {};
       atbr = callPackage ../development/coq-modules/atbr {};
       autosubst = callPackage ../development/coq-modules/autosubst {};
+      autosubst-ocaml = callPackage ../development/coq-modules/autosubst-ocaml {};
       bbv = callPackage ../development/coq-modules/bbv {};
       bignums = if lib.versionAtLeast coq.coq-version "8.6"
         then callPackage ../development/coq-modules/bignums {}