diff --git a/ocaml-411.patch b/ocaml-411.patch
deleted file mode 100644
index 575560e..0000000
--- a/ocaml-411.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- ppx_deriving_yojson-3.5.2.old/src/ppx_deriving_yojson.cppo.ml	2020-02-20 21:01:12.000000000 +0000
-+++ ppx_deriving_yojson-3.5.new/src/ppx_deriving_yojson.cppo.ml	2020-04-22 18:15:35.242395194 +0100
-@@ -385,7 +385,7 @@
-       let ty = Typ.poly poly_vars (polymorphize_ser [%type: [%t typ] -> Yojson.Safe.t]) in
-       let default_fun =
-         let type_path = String.concat "." (path @ [type_decl.ptype_name.txt]) in
--        let e_type_path = Exp.constant (Pconst_string (type_path, None)) in
-+        let e_type_path = Exp.constant (Pconst_string (type_path, Location.none, None)) in
-         [%expr fun _ ->
-           invalid_arg ("to_yojson: Maybe a [@@deriving yojson] is missing when extending the type "^
-                        [%e e_type_path])]
diff --git a/ocaml-ppx-deriving-yojson.spec b/ocaml-ppx-deriving-yojson.spec
index 02b4865..aa323ee 100644
--- a/ocaml-ppx-deriving-yojson.spec
+++ b/ocaml-ppx-deriving-yojson.spec
@@ -6,26 +6,23 @@
 %global upname  ppx_deriving_yojson
 
 Name:           ocaml-%{srcname}
-Version:        3.5.2
-Release:        6%{?dist}
+Version:        3.5.3
+Release:        1%{?dist}
 Summary:        JSON codec generator for OCaml
 
 License:        MIT
 URL:            https://github.com/ocaml-ppx/%{upname}
 Source0:        %{url}/archive/v%{version}/%{upname}-%{version}.tar.gz
 
-# Fix for OCaml 4.11.  Sent upstream 2020-04-22.
-Patch1:         ocaml-411.patch
-
 BuildRequires:  ocaml >= 4.04.0
 BuildRequires:  ocaml-biniou-devel
 BuildRequires:  ocaml-cppo
-BuildRequires:  ocaml-dune
+BuildRequires:  ocaml-dune >= 1.0
 BuildRequires:  ocaml-easy-format-devel
 BuildRequires:  ocaml-findlib
 BuildRequires:  ocaml-odoc
 BuildRequires:  ocaml-ounit-devel >= 2.0.0
-BuildRequires:  ocaml-ppx-deriving-devel >= 4.0
+BuildRequires:  ocaml-ppx-deriving-devel >= 4.5
 BuildRequires:  ocaml-ppxfind
 BuildRequires:  ocaml-ppx-tools-devel
 BuildRequires:  ocaml-result-devel
@@ -89,7 +86,7 @@ ln -s ../../src/ppx_deriving_yojson.cppo.ml _build/default
 dune runtest
 
 %files
-%doc CHANGELOG.md CONTRIBUTING.md README.md
+%doc CHANGELOG.md README.md
 %license LICENSE.txt
 %dir %{_libdir}/ocaml/%{upname}/
 %dir %{_libdir}/ocaml/%{upname}/runtime/
@@ -125,6 +122,10 @@ dune runtest
 %doc _build/default/_doc/_odoc/
 
 %changelog
+* Wed Aug  5 2020 Jerry James <loganjerry@gmail.com> - 3.5.3-1
+- Version 3.5.3
+- Drop upstreamed ocaml-411.patch
+
 * Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 3.5.2-6
 - Second attempt - Rebuilt for
   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
diff --git a/sources b/sources
index 4e239ac..0523c3c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (ppx_deriving_yojson-3.5.2.tar.gz) = 9f787553b0489d0ce7fec9923934a84331f0c65a663a3bda12bc9df89f5f4c64b399e81c3b084d8f9a774326aee0aae50d65b3c711a88b89c2397940c90dcee6
+SHA512 (ppx_deriving_yojson-3.5.3.tar.gz) = 550fe8c400fa57f3f33f4cec509df061db0d62353e0d05ffb64e02aaef74324369840297507553d9b8a8cba81f980c210d23177bf184dbe58b952a7df4aa2176