diff --git a/python-Mathics-relax-numpy-versions.patch b/python-Mathics-relax-numpy-versions.patch
new file mode 100644
index 0000000..ed9e764
--- /dev/null
+++ b/python-Mathics-relax-numpy-versions.patch
@@ -0,0 +1,13 @@
+Index: Mathics3-6.0.2/setup.py
+===================================================================
+--- Mathics3-6.0.2.orig/setup.py
++++ Mathics3-6.0.2/setup.py
+@@ -64,7 +64,7 @@ elif sys.version_info[:2] == (3, 6):
+         sys.exit(-1)
+ else:
+     INSTALL_REQUIRES += [
+-        "numpy<1.25",
++        "numpy",
+         "llvmlite",
+         "sympy>=1.8",
+         "pillow >= 9.2",
diff --git a/python-Mathics.changes b/python-Mathics.changes
index 7d46aeb..7ca4658 100644
--- a/python-Mathics.changes
+++ b/python-Mathics.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Fri Sep  1 18:15:06 UTC 2023 - Atri Bhattacharya <badshah400@gmail.com>
+
+- Disable cython-ised builds: not compatible with Cython 3+.
+- Add python-Mathics-relax-numpy-versions.patch to drop the upper
+  limit on numpy versions.
+
 -------------------------------------------------------------------
 Wed Jul 26 15:24:55 UTC 2023 - Atri Bhattacharya <badshah400@gmail.com>
 
diff --git a/python-Mathics.spec b/python-Mathics.spec
index ceca085..17f45bc 100644
--- a/python-Mathics.spec
+++ b/python-Mathics.spec
@@ -39,7 +39,8 @@ Summary:        A general-purpose computer algebra system
 License:        Apache-2.0 AND BSD-3-Clause AND GPL-3.0-only AND MIT
 URL:            https://mathics.github.io/
 Source0:        https://github.com/Mathics3/mathics-core/releases/download/%{version}/%{pyname}-%{version}.tar.gz
-BuildRequires:  %{python_module Cython}
+# PATCH-FEATURE-OPENSUSE python-Mathics-relax-numpy-versions.patch badshah400@gmail.com -- Drop upper limit on required numpy version
+Patch0:         python-Mathics-relax-numpy-versions.patch
 BuildRequires:  %{python_module Django >= 1.8}
 BuildRequires:  %{python_module colorama}
 BuildRequires:  %{python_module devel}
@@ -51,7 +52,6 @@ BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module sympy >= 1.10.1}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-Requires:       python-Cython
 Requires:       python-Django >= 1.8
 Requires:       python-Mathics-Scanner >= 1.3.0
 Requires:       python-Pint
@@ -78,6 +78,7 @@ BuildRequires:  %{python_module palettable}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module requests}
 BuildRequires:  %{python_module scikit-image >= 0.17}
+BuildRequires:  %{python_module typing-extensions}
 # /SECTION
 %endif
 Provides:       python-Mathics3 = %{version}
@@ -99,23 +100,23 @@ popd
 
 %build
 %if %{without test}
-export USE_CYTHON=1
+export USE_CYTHON=0
 %python_build
 %endif
 
 %install
 %if %{without test}
-export USE_CYTHON=1
+export USE_CYTHON=0
 %python_install
 %python_clone -a %{buildroot}%{_bindir}/mathics
-%python_expand %fdupes %{buildroot}%{$python_sitearch}
+%python_expand %fdupes %{buildroot}%{$python_sitelib}
 %endif
 
 %if %{with test}
 %check
 # Home page tests require django server up and running, test_gudermannian needs network access
 # test_image: https://github.com/Mathics3/mathics-core/issues/837
-%pytest_arch -k 'not (test_home_page or test_gudermannian or test_image)'
+%pytest -k 'not (test_home_page or test_gudermannian or test_image)'
 %endif
 
 %if %{without test}
@@ -129,8 +130,8 @@ export USE_CYTHON=1
 %license COPYING.txt
 %doc README.rst AUTHORS.txt
 %python_alternative %{_bindir}/mathics
-%{python_sitearch}/mathics/
-%{python_sitearch}/%{pyname}-%{version}-py%{python_version}.egg-info/
+%{python_sitelib}/mathics/
+%{python_sitelib}/%{pyname}-%{version}-py%{python_version}.egg-info/
 %endif
 
 %changelog