diff --git a/.gitignore b/.gitignore
index 1f06a31..b8428b1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,4 @@
 /msgpack-0.6.0.tar.gz
 /msgpack-0.6.1.tar.gz
 /msgpack-0.6.2.tar.gz
+/msgpack-1.0.0.tar.gz
diff --git a/python-msgpack.spec b/python-msgpack.spec
index 42f665b..a175bb1 100644
--- a/python-msgpack.spec
+++ b/python-msgpack.spec
@@ -1,20 +1,15 @@
 %global srcname msgpack
-%global sum A Python MessagePack (de)serializer
 
 Name:           python-%{srcname}
-Version:        0.6.2
-Release:        2%{?dist}
-Summary:        %{sum}
+Version:        1.0.0
+Release:        1%{?dist}
+Summary:        Python MessagePack (de)serializer
 
 License:        ASL 2.0
 URL:            https://msgpack.org/
-Source0:        %pypi_source
+Source0:        https://github.com/msgpack/msgpack-python/archive/v%{version}/%{srcname}-%{version}.tar.gz
 
 BuildRequires:  gcc-c++
-BuildRequires:  python%{python3_pkgversion}-Cython
-BuildRequires:  python%{python3_pkgversion}-devel
-BuildRequires:  python%{python3_pkgversion}-setuptools
-BuildRequires:  python%{python3_pkgversion}-pytest
 
 %description
 MessagePack is a binary-based efficient data interchange format that is
@@ -22,7 +17,12 @@ focused on high performance. It is like JSON, but very fast and small.
 This is a Python (de)serializer for MessagePack.
 
 %package -n python%{python3_pkgversion}-%{srcname}
-Summary:        %{sum}
+Summary:        %{summary}
+
+BuildRequires:  python%{python3_pkgversion}-Cython
+BuildRequires:  python%{python3_pkgversion}-devel
+BuildRequires:  python%{python3_pkgversion}-setuptools
+BuildRequires:  python%{python3_pkgversion}-pytest
 %{?python_provide:%python_provide python%{python3_pkgversion}-%{srcname}}
 
 # For backwards compatibility
@@ -35,7 +35,9 @@ focused on high performance. It is like JSON, but very fast and small.
 This is a Python %{python3_version} (de)serializer for MessagePack.
 
 %prep
-%autosetup -n %{srcname}-%{version}
+%autosetup -n %{srcname}-python-%{version}
+# There is a circular dependency with python-msgpack-ext
+rm -rf test/test_timestamp.py
 
 %build
 %py3_build
@@ -44,8 +46,7 @@ This is a Python %{python3_version} (de)serializer for MessagePack.
 %py3_install
 
 %check
-export PYTHONPATH=$(pwd)
-py.test-%{python3_version} -v test
+PYTHONPATH=%{buildroot}%{python3_sitelib} pytest-%{python3_version} -v test
 
 %files -n python%{python3_pkgversion}-%{srcname}
 %doc README.rst
@@ -54,6 +55,9 @@ py.test-%{python3_version} -v test
 %{python3_sitearch}/%{srcname}*.egg-info
 
 %changelog
+* Sat Apr 18 2020 Fabian Affolter <mail@fabian-affolter.ch> - 1.0.0-1
+- Update to latest upstream release 1.0.0 (rhbz#1816567)
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.2-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
 
diff --git a/sources b/sources
index 4f6448c..1d0e701 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (msgpack-0.6.2.tar.gz) = 95b92e3d35e0500dd4256d18bf76e586e57cc66319b4459ac5daef599277a5049177a89ad86e291dbdc4c7a918901a89d9218353ddc4a7d0b399e8a98afef363
+SHA512 (msgpack-1.0.0.tar.gz) = ef392d9084ff9a86cc69514982f10d9c39494a9d2c56cd1904b75a6e493d2673ab4e47261464af07dd7beaaba153fe008a9917332e1a4c96beef4ba9ebe595ab