diff --git a/51.patch b/51.patch
new file mode 100644
index 0000000..eb9699f
--- /dev/null
+++ b/51.patch
@@ -0,0 +1,27 @@
+From 46bad125f2d599a409704b6c1dcda47b709b4aec Mon Sep 17 00:00:00 2001
+From: Karthikeyan Singaravelan <tir.karthi@gmail.com>
+Date: Sun, 10 Oct 2021 08:19:25 +0000
+Subject: [PATCH] Refactor deprecated unittest aliases for Python 3.11
+ compatibility.
+
+---
+ pathspec/tests/test_gitwildmatch.py | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/pathspec/tests/test_gitwildmatch.py b/pathspec/tests/test_gitwildmatch.py
+index 9868381..f9b4b66 100644
+--- a/pathspec/tests/test_gitwildmatch.py
++++ b/pathspec/tests/test_gitwildmatch.py
+@@ -543,6 +543,11 @@ def test_09_single_exclamation_mark_fail(self):
+ 
+ 	def _check_invalid_pattern(self, git_ignore_pattern):
+ 		expected_message_pattern = re.escape(repr(git_ignore_pattern))
+-		with self.assertRaisesRegexp(GitWildMatchPatternError, expected_message_pattern):
++		# assertRaisesRegexp was a deprecated alias removed in Python 3.11
++		if hasattr(self, 'assertRaisesRegex'):
++			assertRaisesRegex = self.assertRaisesRegex
++		else:
++			assertRaisesRegex = self.assertRaisesRegexp
++		with assertRaisesRegex(GitWildMatchPatternError, expected_message_pattern):
+ 			GitWildMatchPattern(git_ignore_pattern)
+ 
diff --git a/python-pathspec.spec b/python-pathspec.spec
index 2e95983..73d3f2c 100644
--- a/python-pathspec.spec
+++ b/python-pathspec.spec
@@ -7,6 +7,9 @@ License:        MPL 2.0
 URL:            https://github.com/cpburnz/python-path-specification
 Source0:        https://files.pythonhosted.org/packages/source/p/pathspec/pathspec-%{version}.tar.gz
 
+# Refactor deprecated unittest aliases for Python 3.11 compatibility
+Patch1:         %{url}/pull/51.patch
+
 BuildArch:      noarch
 BuildRequires:  python3-devel
 BuildRequires:  python3-setuptools
@@ -27,7 +30,7 @@ is derived from Rsync's wildmatch. Git uses wildmatch for its gitignore files.
 
 
 %prep
-%autosetup -n pathspec-%{version}
+%autosetup -p1 -n pathspec-%{version}
 # Remove bundled egg-info
 rm -rf pathspec.egg-info