chore(main): release 2.40.3

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-auth/#history
 
+## [2.40.3](https://github.com/googleapis/google-auth-library-python/compare/v2.40.2...v2.40.3) (2025-05-21)
+
+
+### Bug Fixes
+
+* Retry 504 errors ([#1767](https://github.com/googleapis/google-auth-library-python/issues/1767)) ([554f967](https://github.com/googleapis/google-auth-library-python/commit/554f967620da2b02e5d44ac7463dcc2407ace5dd))
+
 ## [2.40.2](https://github.com/googleapis/google-auth-library-python/compare/v2.40.1...v2.40.2) (2025-05-21)
 
 

google/auth/version.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.40.2"
+__version__ = "2.40.3"