diff --git a/python-ptyprocess.changes b/python-ptyprocess.changes
index 19f27bd..b32ca18 100644
--- a/python-ptyprocess.changes
+++ b/python-ptyprocess.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Jul 30 12:03:04 UTC 2024 - John Paul Adrian Glaubitz <adrian.glaubitz@suse.com>
+
+- Cherry-pick upstream patch to fix tests with Python 3.13.
+  * remove-old-unittest-functions.patch
+
 -------------------------------------------------------------------
 Fri Apr 21 12:30:03 UTC 2023 - Dirk Müller <dmueller@suse.com>
 
diff --git a/python-ptyprocess.spec b/python-ptyprocess.spec
index b142bdc..1c99136 100644
--- a/python-ptyprocess.spec
+++ b/python-ptyprocess.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-ptyprocess
 #
-# Copyright (c) 2023 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
@@ -26,6 +26,8 @@ License:        ISC
 Group:          Development/Languages/Python
 URL:            https://github.com/pexpect/ptyprocess
 Source:         https://files.pythonhosted.org/packages/source/p/ptyprocess/ptyprocess-%{version}.tar.gz
+# PATCH-FIX-UPSTREAM - gh/pexpect/ptyprocess#75 - Remove unittest.makeSuite, gone from Python 3.13
+Patch:          https://github.com/pexpect/ptyprocess/pull/75.patch#/remove-old-unittest-functions.patch
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
@@ -44,6 +46,7 @@ If you need to automate these things, running the process in a pseudo terminal
 
 %prep
 %setup -q -n ptyprocess-%{version}
+%patch -P0 -p1
 
 %build
 %python_build
diff --git a/remove-old-unittest-functions.patch b/remove-old-unittest-functions.patch
new file mode 100644
index 0000000..6c55e33
--- /dev/null
+++ b/remove-old-unittest-functions.patch
@@ -0,0 +1,32 @@
+From a44312974bd9084aa568d2e18ce5b2a7e0e45983 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
+Date: Mon, 23 Oct 2023 15:18:02 +0200
+Subject: [PATCH] Remove unittest.makeSuite, gone from Python 3.13
+
+See https://docs.python.org/3.13/whatsnew/3.13.html
+
+"""
+Removed the following unittest functions, deprecated in Python 3.11:
+
+    unittest.findTestCases()
+    unittest.makeSuite()
+    unittest.getTestCaseNames()
+"""
+
+The removed call does not seem to have any effect when the file is executed
+directly, run trough unittest discover or pytest.
+---
+ tests/test_invalid_binary.py | 3 ---
+ 1 file changed, 3 deletions(-)
+
+diff --git a/tests/test_invalid_binary.py b/tests/test_invalid_binary.py
+index cf28098..545f9f7 100755
+--- a/tests/test_invalid_binary.py
++++ b/tests/test_invalid_binary.py
+@@ -69,6 +69,3 @@ def test_invalid_binary(self):
+ 
+ if __name__ == '__main__':
+     unittest.main()
+-
+-suite = unittest.makeSuite(InvalidBinaryChars,'test')
+-