diff --git a/pyRFC3339-1.1.tar.gz b/pyRFC3339-1.1.tar.gz
index e6a98c8..8438bf3 100644
--- a/pyRFC3339-1.1.tar.gz
+++ b/pyRFC3339-1.1.tar.gz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:81b8cbe1519cdb79bed04910dd6fa4e181faf8c88dff1e1b987b5f7ab23a5b1a
-size 5290
+oid sha256:2708b8eacfa37b44dcb1f001f1464a9d541a6f3d7d9948603298e8ba1a8af361
+size 11727
diff --git a/python-pyRFC3339.changes b/python-pyRFC3339.changes
index cf4fd6c..246cf71 100644
--- a/python-pyRFC3339.changes
+++ b/python-pyRFC3339.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jun  3 11:27:14 UTC 2021 - pgajdos@suse.com
+
+- use github tarball with tests
+- %check: use %pytest rpm macro
+
 -------------------------------------------------------------------
 Tue Aug 28 12:15:23 UTC 2018 - tchvatal@suse.com
 
diff --git a/python-pyRFC3339.spec b/python-pyRFC3339.spec
index 127a17e..f2cbd44 100644
--- a/python-pyRFC3339.spec
+++ b/python-pyRFC3339.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-pyRFC3339
 #
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -12,7 +12,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
@@ -24,8 +24,9 @@ Summary:        Generate and parse RFC 3339 timestamps
 License:        MIT
 Group:          Development/Languages/Python
 URL:            https://github.com/kurtraschke/pyRFC3339
-Source:         https://files.pythonhosted.org/packages/source/p/pyRFC3339/pyRFC3339-%{version}.tar.gz
+Source:         https://github.com/kurtraschke/pyRFC3339/archive/refs/tags/v1.1.tar.gz#/pyRFC3339-%{version}.tar.gz
 BuildRequires:  %{python_module nose}
+BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module pytz}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
@@ -48,7 +49,7 @@ pyRFC3339 parses and generates :RFC:`3339`-compliant timestamps using Python `da
 %python_expand %fdupes %{buildroot}%{$python_sitelib}/pyrfc3339
 
 %check
-%python_exec setup.py test
+%pytest pyrfc3339/tests/tests.py
 
 %files %{python_files}
 %license LICENSE.txt