diff --git a/google_auth-2.43.0.tar.gz b/google_auth-2.43.0.tar.gz
deleted file mode 100644
index 1893432cb651e397e8cfd059a5f08b60b49b7daf..0000000000000000000000000000000000000000
Binary files a/google_auth-2.43.0.tar.gz and /dev/null differ
diff --git a/google_auth-2.45.0.tar.gz b/google_auth-2.45.0.tar.gz
new file mode 100644
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diff --git a/python-google-auth.spec b/python-google-auth.spec
index 7d38c42df91b0fd36364ddc52eb9239ac7436928..0e1d2294b5f667090fb9b2c66bed5c11024cd4b7 100644
--- a/python-google-auth.spec
+++ b/python-google-auth.spec
@@ -1,11 +1,11 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-google-auth
-Version:	2.43.0
+Version:	2.45.0
 Release:	1	
 Summary:	Google Authentication Library
 License:	Apache-2.0
 URL:		https://github.com/googleapis/google-auth-library-python
-Source0:	https://files.pythonhosted.org/packages/ff/ef/66d14cf0e01b08d2d51ffc3c20410c4e134a1548fc246a6081eae585a4fe/google_auth-2.43.0.tar.gz
+Source0:	https://files.pythonhosted.org/packages/e5/00/3c794502a8b892c404b2dea5b3650eb21bfc7069612fbfd15c7f17c1cb0d/google_auth-2.45.0.tar.gz
 BuildArch:	noarch
 
 Requires:	python3-cachetools
@@ -80,6 +80,18 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Wed Dec 17 2025 yangengLiu <dev01202@linx-info.com> - 2.45.0-1
+- update version to 2.45.0
+- doc: Custom Credential Suppliers for AWS and Okta. 
+- feat: Add shlex to correctly parse executable commands with spaces
+- feat: Implement token revocation in STS client and add revoke() method
+- feat: MDS connections use mTLS
+- feat: add ecdsa p-384 support
+- fix(auth): Delegate workload cert and key default lookup to helper function
+- fix(auth): Add temporary patch to workload cert logic to accomodate Cloud Run mis-configuration
+- feat: support Python 3.14
+- feat: Adding Agent Identity bound token support and handling certificate mismatches with retries
+
 * Thu Nov 06 2025 guochao <guochao@kylinos.cn> - 2.43.0-1
 - upgrade to version 2.43.0