diff --git a/BTrees-6.0.tar.gz b/BTrees-6.0.tar.gz
deleted file mode 100644
index c445220..0000000
--- a/BTrees-6.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f69b8cdd33434e13e180216bb82ae0b7cd31fadfb7cc559695cb37319ca35ff0
-size 245186
diff --git a/btrees-6.1.tar.gz b/btrees-6.1.tar.gz
new file mode 100644
index 0000000..b8fed08
--- /dev/null
+++ b/btrees-6.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e18746f8641869a20f45328c9b5f97dc6c71a1195960356aef63b75f5c8d445f
+size 244735
diff --git a/python-BTrees.changes b/python-BTrees.changes
index 2cb4bec..30887c1 100644
--- a/python-BTrees.changes
+++ b/python-BTrees.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Thu Nov  7 08:30:45 UTC 2024 - John Paul Adrian Glaubitz <adrian.glaubitz@suse.com>
+
+- Update to 6.1
+  * Add final support for Python 3.13.
+- Adjust upstream source name in spec file
+- Drop unnecessary removal of egg-info from %setup section
+- Fix missing version contraint for Obsoletes
+- Switch build system from setuptools to pyproject.toml
+  * Add python-pip and python-wheel to BuildRequires
+  * Replace %python_build with %pyproject_wheel
+  * Replace %python_install with %pyproject_install
+
 -------------------------------------------------------------------
 Thu Jun  6 07:53:19 UTC 2024 - Dirk Müller <dmueller@suse.com>
 
diff --git a/python-BTrees.spec b/python-BTrees.spec
index 78621a6..183dbc4 100644
--- a/python-BTrees.spec
+++ b/python-BTrees.spec
@@ -19,17 +19,19 @@
 
 %{?sle15_python_module_pythons}
 Name:           python-BTrees
-Version:        6.0
+Version:        6.1
 Release:        0
 Summary:        Persistent B-tree object containers for Python
 License:        ZPL-2.1
 URL:            https://github.com/zopefoundation/BTrees
-Source:         https://files.pythonhosted.org/packages/source/B/BTrees/BTrees-%{version}.tar.gz
+Source:         https://files.pythonhosted.org/packages/source/b/btrees/btrees-%{version}.tar.gz
 BuildRequires:  %{python_module devel >= 3.8}
 BuildRequires:  %{python_module persistent-devel >= 4.1.0}
+BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module transaction}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  %{python_module zope.interface}
 BuildRequires:  %{python_module zope.testrunner}
 BuildRequires:  fdupes
@@ -37,7 +39,7 @@ BuildRequires:  python-rpm-macros
 Requires:       python-persistent >= 4.1.0
 Requires:       python-zope.interface
 Provides:       %{name}-doc = %{version}-%{release}
-Obsoletes:      %{name}-doc
+Obsoletes:      %{name}-doc < %{version}-%{release}
 %python_subpackages
 
 %description
@@ -58,14 +60,13 @@ Requires:       %{name} = %{version}
 This package contains the files needed for binding the %{name} C module.
 
 %prep
-%setup -q -n BTrees-%{version}
-rm -rf BTrees.egg-info
+%setup -q -n btrees-%{version}
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
+%pyproject_install
 %{python_expand rm %{buildroot}%{$python_sitearch}/BTrees/*.c
   %fdupes %{buildroot}%{$python_sitearch}
 }