diff --git a/python-cmapfile.changes b/python-cmapfile.changes
index 4c9b304..36bc0aa 100644
--- a/python-cmapfile.changes
+++ b/python-cmapfile.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Jul 17 02:13:38 UTC 2024 - Steve Kowalik <steven.kowalik@suse.com>
+
+- Restrict numpy to < 2. 
+
 -------------------------------------------------------------------
 Mon Apr  8 10:28:32 UTC 2024 - Dirk Müller <dmueller@suse.com>
 
diff --git a/python-cmapfile.spec b/python-cmapfile.spec
index c68ab7d..1005e24 100644
--- a/python-cmapfile.spec
+++ b/python-cmapfile.spec
@@ -22,13 +22,12 @@ Version:        2023.8.30
 Release:        0
 Summary:        Write Chimera Map (CMAP) files
 License:        BSD-3-Clause
-Group:          Development/Languages/Python
 URL:            https://github.com/cgohlke/cmapfile/
 # SourceRepository: https://github.com/cgohlke/cmapfile
 Source:         https://github.com/cgohlke/cmapfile/archive/v%{version}.tar.gz#/cmapfile-%{version}.tar.gz
 BuildRequires:  %{python_module base >= 3.9}
 BuildRequires:  %{python_module h5py >= 3.1}
-BuildRequires:  %{python_module numpy >= 1.22}
+BuildRequires:  %{python_module numpy >= 1.22 with %python-numpy < 2}
 BuildRequires:  %{python_module oiffile >= 2021.6.6}
 BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module scipy >= 1.5}
@@ -38,10 +37,10 @@ BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-h5py >= 3.1
-Requires:       python-numpy >= 1.22
 Requires:       python-oiffile >= 2021.6.6
 Requires:       python-scipy >= 1.5
 Requires:       python-tifffile >= 2021.11.2
+Requires:       (python-numpy >= 1.22 with python-numpy < 2)
 Requires(post): update-alternatives
 Requires(postun): update-alternatives
 BuildArch:      noarch