diff --git a/python-fastcluster.changes b/python-fastcluster.changes
index 5c22163..cc7cd83 100644
--- a/python-fastcluster.changes
+++ b/python-fastcluster.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Fri Jul 19 02:32:28 UTC 2024 - Steve Kowalik <steven.kowalik@suse.com>
+
+- Add patch support-numpy-2.patch:
+  * Support both numpy 1 and 2
+- Switch to pyproject macros.
+- No more greedy globs in %files.
+
 -------------------------------------------------------------------
 Wed Sep 28 14:00:59 UTC 2022 - Arun Persaud <arun@gmx.de>
 
diff --git a/python-fastcluster.spec b/python-fastcluster.spec
index fd79ab8..7cbcab5 100644
--- a/python-fastcluster.spec
+++ b/python-fastcluster.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-fastcluster
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,22 +16,22 @@
 #
 
 
-%define         skip_python2 1
-%define         skip_python36 1
-%{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-fastcluster
 Version:        1.2.6
 Release:        0
 Summary:        Hierarchical clustering routines for Python
 License:        BSD-2-Clause
-Group:          Development/Languages/Python
 URL:            https://github.com/dmuellner/fastcluster
 Source:         https://files.pythonhosted.org/packages/source/f/fastcluster/fastcluster-%{version}.tar.gz
+# PATCH-FIX-UPSTREAM gh#fastcluster/fastcluster#94
+Patch0:         support-numpy-2.patch
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module numpy-devel >= 1.9}
+BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module scipy}
 BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  gcc-c++
 BuildRequires:  python-rpm-macros
@@ -71,10 +71,10 @@ sed -i 's/\r$//' README.txt
 
 %build
 export CFLAGS="%{optflags}"
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
+%pyproject_install
 %python_expand %fdupes %{buildroot}%{$python_sitearch}
 
 %check
@@ -84,7 +84,10 @@ export LANG=en_US.UTF-8
 %files %{python_files}
 %license COPYING.txt
 %doc CITATION.txt NEWS.txt README.txt
-%{python_sitearch}/*
+%{python_sitearch}/fastcluster.py
+%{python_sitearch}/_fastcluster.cpython-*.so
+%pycache_only %{python_sitearch}/__pycache__/fastcluster.*.pyc
+%{python_sitearch}/fastcluster-%{version}.dist-info
 
 %files -n %{name}-doc
 %doc docs/fastcluster.pdf
diff --git a/support-numpy-2.patch b/support-numpy-2.patch
new file mode 100644
index 0000000..682e905
--- /dev/null
+++ b/support-numpy-2.patch
@@ -0,0 +1,46 @@
+From 58cffa97fff38ca4dda3166b4ccb1a8eb27a124f Mon Sep 17 00:00:00 2001
+From: Steve Kowalik <steven@wedontsleep.org>
+Date: Fri, 19 Jul 2024 12:21:11 +1000
+Subject: [PATCH] Support Numpy 2
+
+Switch to using np.asarray() where required to support both Numpy 1 and
+2.
+---
+ fastcluster.py | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/fastcluster.py b/fastcluster.py
+index f5325a6..8778605 100644
+--- a/fastcluster.py
++++ b/fastcluster.py
+@@ -23,7 +23,7 @@
+ __version_info__ = ('1', '2', '6')
+ __version__ = '.'.join(__version_info__)
+ 
+-from numpy import double, empty, array, ndarray, var, cov, dot, expand_dims, \
++from numpy import double, empty, array, asarray, ndarray, var, cov, dot, expand_dims, \
+     ceil, sqrt
+ from numpy.linalg import inv
+ try:
+@@ -227,7 +227,7 @@ def linkage(X, method='single', metric='euclidean', preserve_input=True):
+ 
+ The linkage method does not treat NumPy's masked arrays as special
+ and simply ignores the mask.'''
+-    X = array(X, copy=False, subok=True)
++    X = asarray(X)
+     if X.ndim==1:
+         if method=='single':
+             preserve_input = False
+@@ -464,10 +464,10 @@ def linkage_vector(X, method='single', metric='euclidean', extraarg=None):
+             dtype = bool if X.dtype==bool else double
+         else:
+             dtype = bool if metric in booleanmetrics else double
+-        X = array(X, dtype=dtype, copy=False, order='C', subok=True)
+     else:
+         assert metric=='euclidean'
+-        X = array(X, dtype=double, copy=(method=='ward'), order='C', subok=True)
++        dtype = double
++    X = asarray(X, dtype=dtype, order='C')
+     assert X.ndim==2
+     N = len(X)
+     Z = empty((N-1,4))