diff --git a/fissix-20.8.0.tar.gz b/fissix-20.8.0.tar.gz
deleted file mode 100644
index 34a3e45..0000000
--- a/fissix-20.8.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d6e80a64ac9baff328b8b1b180002eb8b488bf2db0c3c555ef51750ee005571a
-size 152701
diff --git a/fissix-21.11.13.tar.gz b/fissix-21.11.13.tar.gz
new file mode 100644
index 0000000..41cdf46
--- /dev/null
+++ b/fissix-21.11.13.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:496a51b86afb4c64cf15cfed38a0f3a371f300b298c962c881e33620f076a514
+size 160262
diff --git a/python-fissix.changes b/python-fissix.changes
index b6498eb..2648aa6 100644
--- a/python-fissix.changes
+++ b/python-fissix.changes
@@ -1,3 +1,21 @@
+-------------------------------------------------------------------
+Sat Dec 25 21:00:56 UTC 2021 - Ben Greiner <code@bnavigator.de>
+
+- Update to 21.11.13
+  * Fix: except fixer checks against the value of a node (#42, #43)
+  * Improved urllib fixer to include __version__ (#44)
+  * Tested against Python 3.9 (#32, #45)
+- Release 21.6.6
+  * New fixer for sorted() and list.sort() (#25)
+  * Token helpers for LBrace, RBrace, and Colon (#34)
+  * Fix for long used as keyword argument name (#28)
+  * Fix for exceptions with "as" keyword (#40)
+  * Support for running tests outside of source tree (#31)
+  * Documentation for fixers, general API, and usage (#23, #24,
+    #29)
+- Fix caching interference between flavors
+- Build with PEP517 flit-core.
+
 -------------------------------------------------------------------
 Fri Sep 18 15:33:11 UTC 2020 - John Vandenberg <jayvdb@gmail.com>
 
diff --git a/python-fissix.spec b/python-fissix.spec
index 00db827..d391db5 100644
--- a/python-fissix.spec
+++ b/python-fissix.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-fissix
 #
-# Copyright (c) 2020 SUSE LLC
+# 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
@@ -16,10 +16,10 @@
 #
 
 
-%{?!python_module:%define python_module() python-%{**} python3-%{**}}
+%{?!python_module:%define python_module() python3-%{**}}
 %define skip_python2 1
 Name:           python-fissix
-Version:        20.8.0
+Version:        21.11.13
 Release:        0
 Summary:        Backport of lib2to3, with enhancements
 License:        Python-2.0
@@ -27,8 +27,9 @@ URL:            https://github.com/jreese/fissix
 Source:         https://files.pythonhosted.org/packages/source/f/fissix/fissix-%{version}.tar.gz
 BuildRequires:  %{python_module appdirs}
 BuildRequires:  %{python_module base >= 3.6}
+BuildRequires:  %{python_module flit-core >= 2}
+BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module pytest >= 6.0.1}
-BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module testsuite}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
@@ -41,23 +42,29 @@ Backport of latest lib2to3, with enhancements.
 
 %prep
 %setup -q -n fissix-%{version}
-sed -i '1{/^#!/d}' fissix/pgen2/token.py
+sed -i '1{/^#!/d}' fissix/pgen2/token.py fissix/tests/pytree_idempotency.py
+chmod -x fissix/pgen2/token.py fissix/tests/pytree_idempotency.py
+# remove tests with python2 syntax, because they fail to compile during pyproject_install
+mv fissix/tests/data testdata
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
-%{python_expand rm -r %{buildroot}%{$python_sitelib}/fissix/tests/
-%fdupes %{buildroot}%{$python_sitelib}
-}
+%pyproject_install
+%python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
+mv testdata fissix/tests/data
+# ensure that pickled cache files don't interfere between flavors
+%python_expand mkdir build/cache
+export XDG_CACHE_HOME=$PWD/build/cache
 %pytest
 
 %files %{python_files}
 %doc README.md
 %license LICENSE
-%{python_sitelib}/*
+%{python_sitelib}/fissix
+%{python_sitelib}/fissix-%{version}*-info
 
 %changelog