diff --git a/dill-0.3.9.tar.gz b/dill-0.3.9.tar.gz
deleted file mode 100644
index f8b3a94..0000000
--- a/dill-0.3.9.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1576562140f7955e49fe849568c071600e66d9cb9ea407a209ca28416ced3bb9
-size 179920
diff --git a/dill-0.4.0.tar.gz b/dill-0.4.0.tar.gz
new file mode 100644
index 0000000..d84a3fc
--- /dev/null
+++ b/dill-0.4.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ac4fe8071bf2859cc02b6ca8ed75d2727b24b564de09f37b59d666bafd7848a7
+size 180077
diff --git a/python-dill.changes b/python-dill.changes
index 314a224..fc8fae0 100644
--- a/python-dill.changes
+++ b/python-dill.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Mon May  5 02:47:52 UTC 2025 - Steve Kowalik <steven.kowalik@suse.com>
+
+- Update to 0.4.0:
+  * add initial support for python 3.14
+  * fix typo in requirements.txt
+  * updated copyright for 2025
+- Switch to pyproject macros.
+
 -------------------------------------------------------------------
 Tue Oct 22 13:27:09 UTC 2024 - Dirk Müller <dmueller@suse.com>
 
diff --git a/python-dill.spec b/python-dill.spec
index 5ff79e3..7fe458d 100644
--- a/python-dill.spec
+++ b/python-dill.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-dill
 #
-# Copyright (c) 2024 SUSE LLC
+# Copyright (c) 2025 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -18,17 +18,18 @@
 
 %{?sle15_python_module_pythons}
 Name:           python-dill
-Version:        0.3.9
+Version:        0.4.0
 Release:        0
 Summary:        Module to serialize all of Python
 License:        BSD-3-Clause
-Group:          Development/Languages/Python
 URL:            https://github.com/uqfoundation/dill
 Source:         https://github.com/uqfoundation/dill/archive/refs/tags/%{version}.tar.gz#/dill-%{version}.tar.gz
 BuildRequires:  %{python_module dbm}
 BuildRequires:  %{python_module devel >= 3.7}
 BuildRequires:  %{python_module objgraph >= 1.7.2}
+BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 BuildRequires:  unzip
@@ -54,10 +55,10 @@ session in a single command.
 find dill -name '*.py' -exec sed -i '1{\@^#!%{_bindir}/env python@d}' {} \;
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
+%pyproject_install
 %python_expand rm -r %{buildroot}%{$python_sitelib}/dill/tests
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
@@ -84,6 +85,6 @@ export PYTHONPATH=%{_builddir}/dill-%{version}
 %python_alternative %{_bindir}/get_gprof
 %python_alternative %{_bindir}/get_objgraph
 %{python_sitelib}/dill
-%{python_sitelib}/dill-%{version}*-info
+%{python_sitelib}/dill-%{version}.dist-info
 
 %changelog