diff --git a/py314.patch b/py314.patch
new file mode 100644
index 0000000..ff832e1
--- /dev/null
+++ b/py314.patch
@@ -0,0 +1,13 @@
+Index: graphviz-0.21/tests/test_quoting.py
+===================================================================
+--- graphviz-0.21.orig/tests/test_quoting.py
++++ graphviz-0.21/tests/test_quoting.py
+@@ -17,7 +17,7 @@ def test_deprecated_escape(recwarn, char
+     assert len(recwarn) == 1
+     w = recwarn.pop(DeprecationWarning if sys.version_info < (3, 12)
+                     else SyntaxWarning)
+-    assert str(w.message).startswith('invalid escape sequence')
++    assert 'invalid escape sequence' in str(w.message)
+ 
+     assert escape == f'\\{char}'
+     assert quoting.quote(escape) == f'"\\{char}"'
diff --git a/python-graphviz.changes b/python-graphviz.changes
index b409a21..ce421b9 100644
--- a/python-graphviz.changes
+++ b/python-graphviz.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Sep  9 14:31:30 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Add py314.patch to fix tests with Python 3.14
+
 -------------------------------------------------------------------
 Wed Jul  2 07:55:23 UTC 2025 - John Paul Adrian Glaubitz <adrian.glaubitz@suse.com>
 
diff --git a/python-graphviz.spec b/python-graphviz.spec
index 79bda4a..94ea421 100644
--- a/python-graphviz.spec
+++ b/python-graphviz.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-graphviz
 #
-# Copyright (c) 2025 SUSE LLC
+# Copyright (c) 2025 SUSE LLC and contributors
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -24,6 +24,8 @@ Summary:        Python interface for Graphviz
 License:        MIT
 URL:            https://github.com/xflr6/graphviz
 Source:         https://files.pythonhosted.org/packages/source/g/graphviz/graphviz-%{version}.tar.gz
+# PATCH-FIX-UPSTREAM https://github.com/xflr6/graphviz/pull/238 fix tests on Python 3.14
+Patch0:         py314.patch
 BuildRequires:  %{python_module base >= 3.8}
 BuildRequires:  %{python_module coverage}
 BuildRequires:  %{python_module pip}