diff --git a/b4-0.13.0.tar.gz b/b4-0.13.0.tar.gz
deleted file mode 100644
index 28ec809..0000000
--- a/b4-0.13.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:816aa2a26539e2ac92790b04726fbe74d52bfe49bd24570e6cfea8281464b9e2
-size 243729
diff --git a/b4-0.14.0.tar.gz b/b4-0.14.0.tar.gz
new file mode 100644
index 0000000..3c9cf7c
--- /dev/null
+++ b/b4-0.14.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a2470164ffeffd3b8217de658d2a2ee9053698f272268ac7563c752d605881d3
+size 267895
diff --git a/b4.changes b/b4.changes
index e7924ed..d740861 100644
--- a/b4.changes
+++ b/b4.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Mon Jun 17 06:41:56 UTC 2024 - Jiri Slaby <jslaby@suse.cz>
+
+- update to 0.14.0:
+  * Switch to using pyproject.toml
+  * Automatic dependency resolution
+  * Checkpatch and other pre-submit checks
+  * Document new features
+  * Miscellaneous enhancements
+
 -------------------------------------------------------------------
 Fri Feb 16 04:40:09 UTC 2024 - Jiri Slaby <jslaby@suse.cz>
 
diff --git a/b4.spec b/b4.spec
index 0e76156..3603fd8 100644
--- a/b4.spec
+++ b/b4.spec
@@ -24,7 +24,7 @@
 %global pprefix python311
 %endif
 Name:           b4
-Version:        0.13.0
+Version:        0.14.0
 Release:        0
 Summary:        Helper scripts for kernel.org patches
 License:        GPL-2.0-or-later
@@ -33,16 +33,16 @@ URL:            https://git.kernel.org/pub/scm/utils/b4/b4.git
 Source0:        https://github.com/mricon/b4/archive/refs/tags/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
 BuildRequires:  %{python_module base >= 3.9}
 BuildRequires:  %{python_module dkimpy >= 1.0.5}
-BuildRequires:  %{python_module dnspython >= 2.0.0}
-BuildRequires:  %{python_module patatt >= 0.5}
+BuildRequires:  %{python_module patatt >= 0.6}
+BuildRequires:  %{python_module pip}
+BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module requests >= 2.24.0}
-BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  git-core
 BuildRequires:  git-filter-repo >= 2.30
 BuildRequires:  python-rpm-macros
 Requires:       %{pprefix}-dkimpy
-Requires:       %{pprefix}-dnspython
 Requires:       %{pprefix}-patatt
 Requires:       %{pprefix}-requests
 Requires:       git-core
@@ -65,21 +65,23 @@ precursor to Lore and Data in the Star Trek universe.
 rm -rf patatt
 
 # ditch shebang from .py files, they are non-executables anyway
-sed -i.old '1{/#!.*/d}' b4/*.py
+sed -i.old '1{/#!.*/d}' src/b4/*.py
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
-%python_expand %{$python_fix_shebang}
+%pyproject_install
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
+%python_expand rm -rf %{buildroot}%{$python_sitelib}/{tests,b4/man}/
+install -m644 -Dt %{buildroot}%{_mandir}/man5/ src/b4/man/b4.5
 
 %check
-%python_exec setup.py check
-export PYTHONPATH="./"
+rm -r build/lib/tests/
+%pytest
+export PYTHONPATH="./build/lib"
 THEIRS=`%{buildroot}/%{_bindir}/b4 --version`
-OURS=`sed -n "s/__VERSION__ = '\(.*\)'/\1/p" b4/__init__.py`
+OURS=`sed -n "s/__VERSION__ = '\(.*\)'/\1/p" src/b4/__init__.py`
 test "$THEIRS" = "$OURS"
 %{buildroot}/%{_bindir}/b4 --help | grep -q 'mbox,am,shazam,pr'
 %{buildroot}/%{_bindir}/b4 mbox abc |& grep -q 'Grabbing thread from lore.kernel.org/all/abc/t.mbox.gz'