diff --git a/google-auth-oauthlib-1.0.0.tar.gz b/google-auth-oauthlib-1.0.0.tar.gz
deleted file mode 100644
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diff --git a/google_auth_oauthlib-1.2.3.tar.gz b/google_auth_oauthlib-1.2.3.tar.gz
new file mode 100644
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diff --git a/python-google-auth-oauthlib.spec b/python-google-auth-oauthlib.spec
index e17aba4f85554e210db63c911a269dced4299415..5a80f18212d0055e6a9b5a8ab292774d31498fb3 100644
--- a/python-google-auth-oauthlib.spec
+++ b/python-google-auth-oauthlib.spec
@@ -1,23 +1,23 @@
+%global pypi_name google-auth-oauthlib
 %global _empty_manifest_terminate_build 0
-Name:		python-google-auth-oauthlib
-Version:	1.0.0
-Release:	1
+Name:		python-%{pypi_name}
+Version:	1.2.3
+Release:	3
 Summary:	Google Authentication Library
 License:	Apache-2.0
 URL:		https://github.com/GoogleCloudPlatform/google-auth-library-python-oauthlib
-Source0:	https://files.pythonhosted.org/packages/e3/b4/ef2170c5f6aa5bc2461bab959a84e56d2819ce26662b50038d2d0602223e/google-auth-oauthlib-1.0.0.tar.gz
+Source0:	https://files.pythonhosted.org/packages/86/a6/c6336a6ceb682709a4aa39e2e6b5754a458075ca92359512b6cbfcb25ae3/google_auth_oauthlib-%{version}.tar.gz
 BuildArch:	noarch
 
-Requires:	python3-google-auth
-Requires:	python3-requests-oauthlib
-Requires:	python3-click
-
 %description
 This library provides `oauthlib`_ integration with `google-auth`_.
 
 %package -n python3-google-auth-oauthlib
 Summary:	Google Authentication Library
 Provides:	python-google-auth-oauthlib = %{version}-%{release}
+Requires:	python3-google-auth
+Requires:	python3-requests-oauthlib
+Requires:	python3-click
 BuildRequires:	python3-devel
 BuildRequires:	python3-setuptools
 %description -n python3-google-auth-oauthlib
@@ -30,13 +30,24 @@ Provides:	python3-google-auth-oauthlib-doc
 This library provides `oauthlib`_ integration with `google-auth`_.
 
 %prep
-%autosetup -n google-auth-oauthlib-%{version}
+%autosetup -n google_auth_oauthlib-%{version}
 
 %build
 %py3_build
 
 %install
 %py3_install
+# Fix dependency version constraints in metadata
+find %{buildroot}%{python3_sitelib} -name "*.dist-info" -type d | while read distinfo; do
+    if [ -f "$distinfo/METADATA" ]; then
+        sed -i 's/google-auth<2\.42\.0,>=2\.15\.0/google-auth>=2.15.0/g' "$distinfo/METADATA" || true
+        sed -i 's/google-auth>=2\.15\.0,<2\.42\.0/google-auth>=2.15.0/g' "$distinfo/METADATA" || true
+    fi
+    if [ -f "$distinfo/requires.txt" ]; then
+        sed -i 's/google-auth<2\.42\.0,>=2\.15\.0/google-auth>=2.15.0/g' "$distinfo/requires.txt" || true
+        sed -i 's/google-auth>=2\.15\.0,<2\.42\.0/google-auth>=2.15.0/g' "$distinfo/requires.txt" || true
+    fi
+done
 install -d -m755 %{buildroot}/%{_pkgdocdir}
 if [ -d doc ]; then cp -arf doc %{buildroot}/%{_pkgdocdir}; fi
 if [ -d docs ]; then cp -arf docs %{buildroot}/%{_pkgdocdir}; fi
@@ -70,6 +81,17 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Tue Nov 11 2025 <zhaojianbin@kylinos.com> - 1.2.3-3
+- Fix dependency version constraints in package metadata to allow newer google-auth versions
+
+* Tue Nov 11 2025 <zhaojianbin@kylinos.com> - 1.2.3-2
+- Fix dependency conflicts by moving Requires to subpackage section
+
+* Tue Nov 11 2025 <zhaojianbin@kylinos.com> - 1.2.3-1
+- Update version to 1.2.3
+- Fix spec file format: add pypi_name variable, use variables in Name and Source0
+- Fix %prep directory name to match actual source package (google_auth_oauthlib)
+
 * Tue Mar 28 2023 jiangxinyu <jiangxinyu@kylinos.cn> - 1.0.0-1
 - Update package to version 1.0.0