diff --git a/backport-add-support-for-cachetools6.patch b/backport-add-support-for-cachetools6.patch
new file mode 100644
index 0000000000000000000000000000000000000000..2fd3dac66112b673b1add54fe3aa8cc818ab36ef
--- /dev/null
+++ b/backport-add-support-for-cachetools6.patch
@@ -0,0 +1,22 @@
+From af18060d521baf86c219d66a26631decb3b28e79 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Yannick=20P=C3=89ROUX?= <yannick.peroux@gmail.com>
+Date: Tue, 15 Jul 2025 19:36:55 +0200
+Subject: [PATCH] feat: add support for cachetools 6.0 (#1773)
+
+---
+ setup.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/setup.py b/setup.py
+index 3874354fd..20f79ce66 100644
+--- a/setup.py
++++ b/setup.py
+@@ -20,7 +20,7 @@
+ 
+ 
+ DEPENDENCIES = (
+-    "cachetools>=2.0.0,<6.0",
++    "cachetools>=2.0.0,<7.0",
+     "pyasn1-modules>=0.2.1",
+     # rsa==4.5 is the last version to support 2.7
+     # https://github.com/sybrenstuvel/python-rsa/issues/152#issuecomment-643470233
diff --git a/python-google-auth.spec b/python-google-auth.spec
index bdbc893f8210d22999919272c6e15e51a4387497..967c03bb96990267f6a20ad17f98abb0b68983e4 100644
--- a/python-google-auth.spec
+++ b/python-google-auth.spec
@@ -1,12 +1,12 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-google-auth
 Version:	2.40.3
-Release:	1
+Release:	2
 Summary:	Google Authentication Library
 License:	Apache-2.0
 URL:		https://github.com/googleapis/google-auth-library-python
 Source0:	https://files.pythonhosted.org/packages/source/g/google_auth/google_auth-%{version}.tar.gz
-
+Patch1:         backport-add-support-for-cachetools6.patch
 BuildArch:	noarch
 
 Requires:	python3-cachetools
@@ -41,7 +41,7 @@ This library simplifies using Google's various server-to-server authentication
 mechanisms to access Google APIs.
 
 %prep
-%autosetup -n google_auth-%{version}
+%autosetup -n google_auth-%{version} -p1
 
 %build
 %py3_build
@@ -81,6 +81,9 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Fri Jul 18 2025 Dongxing Wang <dongxing.wang_a@thundersoft.com> - 2.40.3-2
+- backport feat: add support for cachetools upgrade to version 6.0
+
 * Tue Jun 10 2025  openeuler_bot <infra@openeuler.sh> - 2.40.3-1
 - Retry 504 errors (version:2.40.3)
 - Remove unnecessary call to mds service (version:2.40.3)