diff --git a/.gitignore b/.gitignore
index b98a954..c1a4100 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,14 +1,2 @@
-*.src.rpm
-lwt-2.0.0+rc1.tar.gz
-/lwt-2.2.0.tar.gz
-/lwt-2.3.2.tar.gz
-/lwt-2.4.2.tar.gz
-/lwt-2.4.3.tar.gz
-/lwt-75b1dc1aefae75dc4ac6455f5a2688b3a52adabd.tar.gz
-/lwt-2.5.0.tar.gz
-/lwt-4.1.0.tar.gz
-/lwt-4.2.1.tar.gz
-/lwt-4.3.0.tar.gz
-/lwt-4.3.1.tar.gz
-/lwt-4.4.0.tar.gz
-/lwt-5.1.2.tar.gz
+/*.src.rpm
+/lwt-*.tar.gz
diff --git a/lwt-5.1.2-bytes.patch b/lwt-5.1.2-bytes.patch
deleted file mode 100644
index 61a8b9e..0000000
--- a/lwt-5.1.2-bytes.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- src/unix/lwt_unix_stubs.c.old	2020-02-25 11:21:55.690509741 +0000
-+++ src/unix/lwt_unix_stubs.c	2020-02-25 11:22:16.500678309 +0000
-@@ -124,7 +124,7 @@
- CAMLprim value lwt_unix_blit_to_bytes(value val_buf1, value val_ofs1,
-                                       value val_buf2, value val_ofs2,
-                                       value val_len) {
--  memcpy(String_val(val_buf2) + Long_val(val_ofs2),
-+  memcpy(Bytes_val(val_buf2) + Long_val(val_ofs2),
-          (char *)Caml_ba_data_val(val_buf1) + Long_val(val_ofs1),
-          Long_val(val_len));
-   return Val_unit;
diff --git a/ocaml-lwt.spec b/ocaml-lwt.spec
index 04193f5..be24831 100644
--- a/ocaml-lwt.spec
+++ b/ocaml-lwt.spec
@@ -1,6 +1,6 @@
 Name:           ocaml-lwt
-Version:        5.1.2
-Release:        4%{?dist}
+Version:        5.2.0
+Release:        1%{?dist}
 Summary:        OCaml lightweight thread library
 
 # The openssl linking exception is granted.
@@ -8,10 +8,6 @@ License:        LGPLv2+ with exceptions
 URL:            http://ocsigen.org/lwt
 Source0:        https://github.com/ocsigen/lwt/archive/%{version}/lwt-%{version}.tar.gz
 
-# Fix for OCaml 4.10.
-# Sent upstream on 2020-02-25.
-Patch1:         lwt-5.1.2-bytes.patch
-
 BuildRequires:  ocaml >= 4.02.0
 BuildRequires:  ocaml-findlib
 
@@ -30,9 +26,7 @@ BuildRequires:  ocaml-ocplib-endian-devel
 BuildRequires:  ocaml-react-devel
 
 # lwt_ppx dependencies.
-BuildRequires:  ocaml-migrate-parsetree-devel
 BuildRequires:  ocaml-ppx-tools-versioned-devel >= 5.2.3
-BuildRequires:  ocaml-ppx-derivers-devel
 
 #BuildRequires:  chrpath
 BuildRequires:  glib2-devel
@@ -68,6 +62,7 @@ Summary:        Development files for ocaml-lwt-react
 
 Requires:       %{name}-react%{?_isa} = %{version}-%{release}
 Requires:       %{name}-devel%{?_isa} = %{version}-%{release}
+Requires:       ocaml-bisect-ppx-devel
 
 %description    react-devel
 The %{name}-react-devel package contains libraries and signature files for
@@ -91,8 +86,7 @@ The %{name}-ppx-devel package contains libraries and signature files for
 developing applications that use %{name}-ppx.
 
 %prep
-%setup -q -n lwt-%{version}
-%patch1 -p0
+%autosetup -n lwt-%{version}
 
 # Enable libev and pthread.
 sed 's/-use-libev false/-use-libev true -use-pthread true/g' -i Makefile
@@ -229,6 +223,12 @@ dune runtest --profile=release
 
 
 %changelog
+* Thu Apr 16 2020 Jerry James <loganjerry@gmail.com> - 5.2.0-1
+- New upstream version 5.2.0
+- Remove upstreamed lwt-5.1.2-bytes.patch
+- Remove unneeded BRs
+- Require ocaml-bisect-ppx-devel from ocaml-lwt-react-devel
+
 * Fri Apr 03 2020 Richard W.M. Jones <rjones@redhat.com> - 5.1.2-4
 - Update all OCaml dependencies for RPM 4.16.
 
diff --git a/sources b/sources
index ce02243..69a69de 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (lwt-5.1.2.tar.gz) = 94b1459e8d914fb505d5b340b0a1886f06255333bdc2a94a66bba53842ac0ca6828b75d5072d01a9cf4aa1331314cff8aea5a746b9af04f728ecc7d942c4343a
+SHA512 (lwt-5.2.0.tar.gz) = 361019d128bd2924cfa3251a5d8929b0ba85fc519c4c987ab0e3e2023dfc06cf376146941546abd2c03b6999bce0abf0de342507c1ac9674c2915b3b6f280707