diff --git a/pkgs/development/ocaml-modules/bwd/default.nix b/pkgs/development/ocaml-modules/bwd/default.nix
new file mode 100644
index 000000000000..aa762502a598
--- /dev/null
+++ b/pkgs/development/ocaml-modules/bwd/default.nix
@@ -0,0 +1,25 @@
+{ lib, fetchFromGitHub, buildDunePackage, qcheck-core }:
+
+buildDunePackage rec {
+  pname = "bwd";
+  version = "2.0.0";
+
+  minimalOCamlVersion = "4.12";
+
+  src = fetchFromGitHub {
+    owner = "RedPRL";
+    repo = "ocaml-bwd";
+    rev = version;
+    sha256 = "sha256:0zgi8an53z6wr6nzz0zlmhx19zhqy1w2vfy1sq3sikjwh74jjq60";
+  };
+
+  doCheck = true;
+  checkInputs = [ qcheck-core ];
+
+  meta = {
+    description = "Backward Lists";
+    inherit (src.meta) homepage;
+    license = lib.licenses.asl20;
+    maintainers = [ lib.maintainers.vbgl ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index cc8fc806324a..e61eedf151ec 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -93,6 +93,8 @@ let
 
     brisk-reconciler = callPackage ../development/ocaml-modules/brisk-reconciler { };
 
+    bwd = callPackage ../development/ocaml-modules/bwd { };
+
     bz2 = callPackage ../development/ocaml-modules/bz2 { };
 
     ca-certs = callPackage ../development/ocaml-modules/ca-certs { };