diff --git a/.gitignore b/.gitignore
index 631037c..ccee22b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /ujson-1.33.zip
 /ujson-1.35.tar.gz
 /ultrajson-2f1d4874f4f4d2a40a460678004c80e69387c663.tar.gz
+/ujson-2.0.3.tar.gz
diff --git a/0001-Use-system-wide-double-conversion.patch b/0001-Use-system-wide-double-conversion.patch
new file mode 100644
index 0000000..13042e1
--- /dev/null
+++ b/0001-Use-system-wide-double-conversion.patch
@@ -0,0 +1,44 @@
+From 6f7d2565037b4a85bdc0da69da59be876327e166 Mon Sep 17 00:00:00 2001
+From: Igor Raits <i.gnatenko.brain@gmail.com>
+Date: Tue, 12 May 2020 06:15:45 +0200
+Subject: [PATCH] Use system-wide double-conversion
+
+Signed-off-by: Igor Raits <i.gnatenko.brain@gmail.com>
+---
+ setup.py | 11 ++++-------
+ 1 file changed, 4 insertions(+), 7 deletions(-)
+
+diff --git a/setup.py b/setup.py
+index 06eb031..53d72cd 100644
+--- a/setup.py
++++ b/setup.py
+@@ -18,22 +18,19 @@ Programming Language :: Python :: 3.7
+ Programming Language :: Python :: 3.8
+ """
+ 
+-dconv_source_files = glob("./deps/double-conversion/double-conversion/*.cc")
+-dconv_source_files.append("./lib/dconv_wrapper.cc")
+-
+ module1 = Extension(
+     "ujson",
+-    sources=dconv_source_files
+-    + [
++    sources=[
++        "./lib/dconv_wrapper.cc",
+         "./python/ujson.c",
+         "./python/objToJSON.c",
+         "./python/JSONtoObj.c",
+         "./lib/ultrajsonenc.c",
+         "./lib/ultrajsondec.c",
+     ],
+-    include_dirs=["./python", "./lib", "./deps/double-conversion/double-conversion"],
++    include_dirs=["./python", "./lib", "/usr/include/double-conversion"],
+     extra_compile_args=["-D_GNU_SOURCE"],
+-    extra_link_args=["-lstdc++", "-lm"],
++    extra_link_args=["-lstdc++", "-lm", "-ldouble-conversion"],
+ )
+ 
+ 
+-- 
+2.26.2
+
diff --git a/python-ujson.spec b/python-ujson.spec
index 77bc727..e1016c3 100644
--- a/python-ujson.spec
+++ b/python-ujson.spec
@@ -1,33 +1,20 @@
 %global modname ujson
 %global srcname ultrajson
 
-%global github_owner    esnme
-%global github_name     %{srcname}
-%global github_commit   2f1d4874f4f4d2a40a460678004c80e69387c663
-# if set, build will be a snapshot. change % to # to disable
-%global github_date     20170206
-# rpmdev-bumpsec will bump this number
-%global baserelease     3
-# release number; make it '0.x' for pre-releases
-%global rel             0.%{baserelease}
-
-%global shortcommit     %(c=%{github_commit}; echo ${c:0:7})
-
 Name:           python-%{modname}
-Version:        2.0
-# include the snapshot bits if github_date is set
-Release:        %{rel}%{?github_date:.%{github_date}git%{shortcommit}}%{?dist}
-Summary:        An ultra fast JSON encoder and decoder written in pure C
+Version:        2.0.3
+Release:        1%{?dist}
+Summary:        Ultra fast JSON encoder and decoder written in pure C
 
 License:        BSD
-URL:            https://github.com/%{github_owner}/%{github_name}
-%if 0%{?github_date}
-Source0:        %{url}/archive/%{github_commit}/%{github_name}-%{github_commit}.tar.gz
-%else
-Source0:        %{url}/archive/v%{version}/%{modname}-%{version}.tar.gz
-%endif
+URL:            https://github.com/ultrajson/ultrajson
+Source:         %{pypi_source %{modname}}
 
 BuildRequires:  gcc
+BuildRequires:  double-conversion-devel
+
+%patchlist
+0001-Use-system-wide-double-conversion.patch
 
 %global _description \
 UltraJSON is an ultra fast JSON encoder and decoder written in\
@@ -38,10 +25,9 @@ pure C with bindings for Python.
 %package -n python3-%{modname}
 Summary:        %{summary}
 BuildRequires:  python3-devel
-BuildRequires:  python3-setuptools
-BuildRequires:  python3-six
-BuildRequires:  python3-pytz
-BuildRequires:  python3-blist
+BuildRequires:  python3dist(setuptools)
+BuildRequires:  python3dist(setuptools-scm)
+BuildRequires:  python3dist(pytest)
 %{?python_provide:%python_provide python3-%{modname}}
 
 %description -n python3-%{modname} %{_description}
@@ -49,11 +35,8 @@ BuildRequires:  python3-blist
 Python 3 version.
 
 %prep
-%if 0%{?github_date}
-%autosetup -n %{srcname}-%{github_commit} -p1
-%else
-%autosetup -n %{srcname}-%{version} -p1
-%endif
+%autosetup -n %{modname}-%{version} -p1
+rm -vrf deps
 
 %build
 %py3_build
@@ -62,7 +45,7 @@ Python 3 version.
 %py3_install
 
 %check
-PYTHONPATH=%{buildroot}%{python3_sitearch} %{__python3} tests/tests.py -v
+PYTHONPATH=%{buildroot}%{python3_sitearch} %python3 -m pytest -v
 
 %files -n python3-%{modname}
 %license LICENSE.txt
@@ -71,6 +54,9 @@ PYTHONPATH=%{buildroot}%{python3_sitearch} %{__python3} tests/tests.py -v
 %{python3_sitearch}/%{modname}*.so
 
 %changelog
+* Tue May 12 2020 Igor Raits <ignatenkobrain@fedoraproject.org> - 2.0.3-1
+- Update to 2.0.3
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.0-0.3.20170206git2f1d487
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
 
diff --git a/sources b/sources
index f3bb467..19a3e4b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (ultrajson-2f1d4874f4f4d2a40a460678004c80e69387c663.tar.gz) = 847bba6993d9a5cd956ff9eb039436e3bdc8e56e8b1e725e0c427fc6c530f4cf23286e21437dc2f5433caa12000f8610fe5e39430fa51b747c8a8690498685a5
+SHA512 (ujson-2.0.3.tar.gz) = 2c1879c372745966a00e064559dbf615f282ef192cbdbb29243c48169fc5f6e9344eba29988a1de3b5b0d1fe7699fcd88373d6dbb2e3fb59b1e8ef12b8a0375d