diff --git a/3773.patch b/3773.patch
new file mode 100644
index 0000000000000000000000000000000000000000..f4e9da645b7fdf2e0a11d678cecb199328948d7b
--- /dev/null
+++ b/3773.patch
@@ -0,0 +1,27 @@
+From 63e885394a629d194b0aa867e8fbf475cdec6521 Mon Sep 17 00:00:00 2001
+From: "Benjamin A. Beasley" <code@musicinmybrain.net>
+Date: Sun, 22 Feb 2026 11:12:27 +0000
+Subject: [PATCH] Adapt test_response_decode_text_using_autodetect for chardet
+ 6.0
+
+See https://github.com/encode/httpx/discussions/3772.
+---
+ tests/models/test_responses.py | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/tests/models/test_responses.py b/tests/models/test_responses.py
+index 06c28e1e30..d2972da5bd 100644
+--- a/tests/models/test_responses.py
++++ b/tests/models/test_responses.py
+@@ -1011,7 +1011,10 @@ def test_response_decode_text_using_autodetect():
+ 
+     assert response.status_code == 200
+     assert response.reason_phrase == "OK"
+-    assert response.encoding == "ISO-8859-1"
++    # The encoded byte string is consistent with either ISO-8859-1 or
++    # WINDOWS-1252. Versions <6.0 of chardet claim the former, while chardet
++    # 6.0 detects the latter.
++    assert response.encoding in ("ISO-8859-1", "WINDOWS-1252")
+     assert response.text == text
+ 
+ 
diff --git a/python-httpx.spec b/python-httpx.spec
index 038275cc80a5b3a029d1eaf7dbab02de4e141bd0..b087a83981daaa67abc4ace63b3c6ed4f69afbda 100644
--- a/python-httpx.spec
+++ b/python-httpx.spec
@@ -1,31 +1,41 @@
-%global pypi_name httpx
-%define _unpackaged_files_terminate_build 0
 
-Name:           python-%{pypi_name}
-Version:        0.24.1
-Release:    4%{?dist}
-Summary:        Python HTTP client
+Name:           python-httpx
+Version:        0.28.1
+Release:        1%{?dist}
+Summary:        Next-generation HTTP client for Python
 
-License:        BSD
+License:        BSD-3-Clause
 URL:            https://github.com/encode/httpx
-Source0:        %{url}/archive/%{version}/%{pypi_name}-%{version}.tar.gz
+Source0:        %{url}/archive/%{version}/httpx-%{version}.tar.gz
+# Adapt test_response_decode_text_using_autodetect for chardet 6.0
+# https://github.com/encode/httpx/pull/3773
+Patch0:          %{url}/pull/3773.patch
 BuildArch:      noarch
 
-%description
-HTTPX is a fully featured HTTP client for Python, which provides sync and
-async APIs, and support for both HTTP/1.1 and HTTP/2.
+BuildRequires:  python3-devel
+BuildRequires:  help2man
+
+%global _description %{expand:
+HTTPX is a fully featured HTTP client library for Python 3. It includes an
+integrated command line client, has support for both HTTP/1.1 and HTTP/2, and
+provides both sync and async APIs.}
+
+
+%description %{_description}
 
-%package -n     python3-%{pypi_name}
+%package -n     python3-httpx
 Summary:        %{summary}
-BuildRequires:  python3-devel
-BuildRequires:  python3-setuptools
 
-%description -n python3-%{pypi_name}
+%description -n python3-httpx %{_description}
 HTTPX is a fully featured HTTP client for Python, which provides sync and
 async APIs, and support for both HTTP/1.1 and HTTP/2.
 
+
 %prep
-%autosetup -n %{pypi_name}-%{version}
+%autosetup -n httpx-%{version} -p1
+# allow newer rich
+# upstream bumps this version by version (see e.g. https://github.com/encode/httpx/pull/3541)
+sed -i 's/rich>=10,<14/rich>=10/' pyproject.toml
 
 %generate_buildrequires
 %pyproject_buildrequires
@@ -35,14 +45,26 @@ async APIs, and support for both HTTP/1.1 and HTTP/2.
 
 %install
 %pyproject_install
-%pyproject_save_files %{pypi_name}
+%pyproject_save_files  httpx
+install -d '%{buildroot}%{_mandir}/man1'
+PYTHONPATH='%{buildroot}%{python3_sitelib}' \
+    PATH="${PATH-}:%{buildroot}%{_bindir}" \
+    PYTHONDONTWRITEBYTECODE=1 \
+    help2man --no-info --version-string='%{version}' \
+    --output='%{buildroot}%{_mandir}/man1/httpx.1' httpx
 
-%files -n python3-%{pypi_name} -f %{pyproject_files}
-%license LICENSE.md
+%files -n python3-httpx -f %{pyproject_files}
+%doc CHANGELOG.md
 %doc README.md
+%license LICENSE.md
 %attr(755, root, root) %{_bindir}/httpx
+%{_mandir}/man1/httpx.1*
 
 %changelog
+* Thu May 7 2026 doupengda <doupengda@loongson.cn> - 0.28.1-1
+- [Type] sync
+- [DESC] update version to 0.28.1-1
+
 * Wed Jun 11 2025 bbrucezhang <bbrucezhang@tencent.com> - 0.24.1-4
 - Rebuilt for loongarch64
 
diff --git a/sources b/sources
index dcf06611f81b094dc3e4dbe0905b0eac38753687..5c975577190ec11ee2a44f4a30e2475098046e7e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (httpx-0.24.1.tar.gz) = 056741ef4e356f13adfcb66766489b39e79dbf4264d9780b8788c0934f7f3ff1a9b6bcb396a9f146e88315831f5399cebdd537c5a39c86b9b6bac3600d5560b6
+SHA512 (httpx-0.28.1.tar.gz) = 5571957a3516533f1c1e76f311316811f6365e192d19ebae10c9ab0d0c4094d811063fd2be2995f3b6a41d6899a7882f27265badecf238a4f7903f976136d3ba