diff --git a/python-stack-data.changes b/python-stack-data.changes
index 12c591a..52f4635 100644
--- a/python-stack-data.changes
+++ b/python-stack-data.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Aug 13 19:27:59 UTC 2023 - Dirk Müller <dmueller@suse.com>
+
+- restrict to older Cython 
+
 -------------------------------------------------------------------
 Mon May 15 09:53:06 UTC 2023 - Steve Kowalik <steven.kowalik@suse.com>
 
diff --git a/python-stack-data.spec b/python-stack-data.spec
index 7f3fd72..9e4ed9b 100644
--- a/python-stack-data.spec
+++ b/python-stack-data.spec
@@ -26,7 +26,7 @@ URL:            https://github.com/alexmojaki/stack_data
 Source:         https://files.pythonhosted.org/packages/source/s/stack_data/stack_data-%{version}.tar.gz
 # PATCH-FIX-OPENSUSE Support typeguard 4+
 Patch0:         support-typeguard-4.patch
-BuildRequires:  %{python_module Cython}
+BuildRequires:  %{python_module Cython with %python-Cython < 3}
 BuildRequires:  %{python_module setuptools >= 44}
 BuildRequires:  %{python_module setuptools_scm >= 3.4.3}
 BuildRequires:  fdupes