diff --git a/pkgs/development/ocaml-modules/janestreet/ppx_expect-113_33_01.nix b/pkgs/development/ocaml-modules/janestreet/ppx_expect-113_33_01.nix
new file mode 100644
index 00000000000..32133dfb689
--- /dev/null
+++ b/pkgs/development/ocaml-modules/janestreet/ppx_expect-113_33_01.nix
@@ -0,0 +1,22 @@
+{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, opam, topkg
+, ppx_driver, ppx_assert, ppx_custom_printf, ppx_inline_test
+, ppx_fields_conv, ppx_variants_conv, re, sexplib, fieldslib
+}:
+
+stdenv.mkDerivation {
+  name = "ocaml${ocaml.version}-ppx_expect-113.33.01+4.03";
+  src = fetchurl {
+    url = http://ocaml.janestreet.com/ocaml-core/113.33/files/ppx_expect-113.33.01+4.03.tar.gz;
+    sha256 = "1r358vx3wnkzq8kwgi49400l1fx2bnl6gds4hl7s67lxsqxki2z7";
+  };
+
+  buildInputs = [ ocaml findlib ocamlbuild opam ppx_assert ppx_custom_printf ppx_fields_conv ppx_variants_conv re ];
+  propagatedBuildInputs = [ ppx_driver ppx_inline_test fieldslib sexplib ];
+
+  inherit (topkg) installPhase;
+
+  meta = {
+    license = stdenv.lib.licenses.asl20;
+    inherit (ocaml.meta) platforms;
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index d393233181d..2dff5031f6f 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -627,7 +627,10 @@ let
       then callPackage ../development/ocaml-modules/janestreet/ppx_variants_conv-113_33_00.nix {}
       else callPackage ../development/ocaml-modules/janestreet/ppx-variants-conv.nix {};
 
-    ppx_expect = callPackage ../development/ocaml-modules/janestreet/ppx-expect.nix {};
+    ppx_expect =
+      if lib.versionOlder "4.03" ocaml.version
+      then callPackage ../development/ocaml-modules/janestreet/ppx_expect-113_33_01.nix {}
+      else callPackage ../development/ocaml-modules/janestreet/ppx-expect.nix {};
 
     ppx_jane = callPackage ../development/ocaml-modules/janestreet/ppx-jane.nix {};