diff --git a/appengine/standard/firebase/firenotes/backend/requirements.txt b/appengine/standard/firebase/firenotes/backend/requirements.txt
index 63bff7f047a..4f3d8803bf3 100644
--- a/appengine/standard/firebase/firenotes/backend/requirements.txt
+++ b/appengine/standard/firebase/firenotes/backend/requirements.txt
@@ -1,6 +1,6 @@
 Flask==1.1.2
 pyjwt==1.7.1
 flask-cors==3.0.9
-google-auth==1.21.0
+google-auth==1.21.1
 requests==2.24.0
 requests-toolbelt==0.9.1
diff --git a/appengine/standard/firebase/firetactoe/requirements.txt b/appengine/standard/firebase/firetactoe/requirements.txt
index ef387b1973c..18e3ba54535 100644
--- a/appengine/standard/firebase/firetactoe/requirements.txt
+++ b/appengine/standard/firebase/firetactoe/requirements.txt
@@ -1,5 +1,5 @@
 flask==1.1.2
 requests==2.24.0
 requests_toolbelt==0.9.1
-google-auth==1.21.0
+google-auth==1.21.1
 functools32==3.2.3.post2; python_version < "3"
diff --git a/appengine/standard/migration/incoming/requirements.txt b/appengine/standard/migration/incoming/requirements.txt
index c47faba5336..4ca68495181 100644
--- a/appengine/standard/migration/incoming/requirements.txt
+++ b/appengine/standard/migration/incoming/requirements.txt
@@ -1,2 +1,2 @@
-google-auth==1.21.0
+google-auth==1.21.1
 requests==2.24.0
\ No newline at end of file
diff --git a/appengine/standard/storage/api-client/requirements.txt b/appengine/standard/storage/api-client/requirements.txt
index b5124a505c4..7858cee7e3a 100644
--- a/appengine/standard/storage/api-client/requirements.txt
+++ b/appengine/standard/storage/api-client/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
diff --git a/appengine/standard_python3/building-an-app/building-an-app-3/requirements.txt b/appengine/standard_python3/building-an-app/building-an-app-3/requirements.txt
index b0cfe3d1f52..b11d6c95aed 100644
--- a/appengine/standard_python3/building-an-app/building-an-app-3/requirements.txt
+++ b/appengine/standard_python3/building-an-app/building-an-app-3/requirements.txt
@@ -1,4 +1,4 @@
 Flask==1.1.2
 google-cloud-datastore==1.15.0
-google-auth==1.21.0
+google-auth==1.21.1
 requests==2.24.0
diff --git a/appengine/standard_python3/building-an-app/building-an-app-4/requirements.txt b/appengine/standard_python3/building-an-app/building-an-app-4/requirements.txt
index b0cfe3d1f52..b11d6c95aed 100644
--- a/appengine/standard_python3/building-an-app/building-an-app-4/requirements.txt
+++ b/appengine/standard_python3/building-an-app/building-an-app-4/requirements.txt
@@ -1,4 +1,4 @@
 Flask==1.1.2
 google-cloud-datastore==1.15.0
-google-auth==1.21.0
+google-auth==1.21.1
 requests==2.24.0
diff --git a/appengine/standard_python3/migration/urlfetch/requirements.txt b/appengine/standard_python3/migration/urlfetch/requirements.txt
index d325bbd5e6e..7ac63b1cff5 100644
--- a/appengine/standard_python3/migration/urlfetch/requirements.txt
+++ b/appengine/standard_python3/migration/urlfetch/requirements.txt
@@ -1,3 +1,3 @@
 requests==2.24.0
 flask==1.1.2
-google-auth==1.21.0
\ No newline at end of file
+google-auth==1.21.1
\ No newline at end of file
diff --git a/appengine/standard_python3/pubsub/requirements.txt b/appengine/standard_python3/pubsub/requirements.txt
index 694d56d625c..c3124e162be 100644
--- a/appengine/standard_python3/pubsub/requirements.txt
+++ b/appengine/standard_python3/pubsub/requirements.txt
@@ -1,4 +1,4 @@
 Flask==1.1.2
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud-pubsub==1.7.0
diff --git a/auth/api-client/requirements.txt b/auth/api-client/requirements.txt
index ecaf530096a..539a84de4a9 100644
--- a/auth/api-client/requirements.txt
+++ b/auth/api-client/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
diff --git a/auth/end-user/web/requirements.txt b/auth/end-user/web/requirements.txt
index ef91332ee56..a1148afc75d 100644
--- a/auth/end-user/web/requirements.txt
+++ b/auth/end-user/web/requirements.txt
@@ -1,4 +1,4 @@
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-oauthlib==0.4.1
 google-auth-httplib2==0.0.4
 google-api-python-client==1.11.0
diff --git a/auth/service-to-service/requirements.txt b/auth/service-to-service/requirements.txt
index c868cbf824b..e3dbb95a460 100644
--- a/auth/service-to-service/requirements.txt
+++ b/auth/service-to-service/requirements.txt
@@ -1,2 +1,2 @@
-google-auth==1.20.0
+google-auth==1.21.1
 requests==2.24.0
diff --git a/bigquery_storage/to_dataframe/requirements.txt b/bigquery_storage/to_dataframe/requirements.txt
index b5ac6177272..368c0a5b200 100644
--- a/bigquery_storage/to_dataframe/requirements.txt
+++ b/bigquery_storage/to_dataframe/requirements.txt
@@ -1,4 +1,4 @@
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud-bigquery-storage==1.0.0
 google-cloud-bigquery==1.25.0
 pyarrow==1.0.1
diff --git a/composer/functions/requirements.txt b/composer/functions/requirements.txt
index 8b3515c50ca..a596cfae219 100644
--- a/composer/functions/requirements.txt
+++ b/composer/functions/requirements.txt
@@ -1,2 +1,2 @@
 requests_toolbelt==0.9.1
-google-auth==1.21.0
+google-auth==1.21.1
diff --git a/composer/rest/requirements.txt b/composer/rest/requirements.txt
index d161a1f71c8..f6dc1e9656e 100644
--- a/composer/rest/requirements.txt
+++ b/composer/rest/requirements.txt
@@ -1,3 +1,3 @@
-google-auth==1.21.0
+google-auth==1.21.1
 requests==2.24.0
 six==1.15.0
diff --git a/compute/api/requirements.txt b/compute/api/requirements.txt
index b5124a505c4..7858cee7e3a 100644
--- a/compute/api/requirements.txt
+++ b/compute/api/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
diff --git a/compute/auth/requirements.txt b/compute/auth/requirements.txt
index 670cdbc8668..5a28c9c1fe3 100644
--- a/compute/auth/requirements.txt
+++ b/compute/auth/requirements.txt
@@ -1,4 +1,4 @@
 requests==2.24.0
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
diff --git a/compute/encryption/requirements.txt b/compute/encryption/requirements.txt
index 163bcb11342..e7bf7f4e3b3 100644
--- a/compute/encryption/requirements.txt
+++ b/compute/encryption/requirements.txt
@@ -1,5 +1,5 @@
 cryptography==3.1
 requests==2.24.0
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
diff --git a/compute/oslogin/requirements.txt b/compute/oslogin/requirements.txt
index e94eb2270bd..338c1889495 100644
--- a/compute/oslogin/requirements.txt
+++ b/compute/oslogin/requirements.txt
@@ -1,4 +1,4 @@
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
 requests==2.24.0
diff --git a/endpoints/bookstore-grpc-transcoding/requirements.txt b/endpoints/bookstore-grpc-transcoding/requirements.txt
index ed0ef541e1f..66504d04896 100644
--- a/endpoints/bookstore-grpc-transcoding/requirements.txt
+++ b/endpoints/bookstore-grpc-transcoding/requirements.txt
@@ -1,4 +1,4 @@
 grpcio==1.31.0
 grpcio-tools==1.31.0
-google-auth==1.21.0
+google-auth==1.21.1
 six==1.15.0
diff --git a/endpoints/bookstore-grpc/requirements.txt b/endpoints/bookstore-grpc/requirements.txt
index ed0ef541e1f..66504d04896 100644
--- a/endpoints/bookstore-grpc/requirements.txt
+++ b/endpoints/bookstore-grpc/requirements.txt
@@ -1,4 +1,4 @@
 grpcio==1.31.0
 grpcio-tools==1.31.0
-google-auth==1.21.0
+google-auth==1.21.1
 six==1.15.0
diff --git a/endpoints/getting-started/clients/service_to_service_non_default/requirements.txt b/endpoints/getting-started/clients/service_to_service_non_default/requirements.txt
index b5124a505c4..7858cee7e3a 100644
--- a/endpoints/getting-started/clients/service_to_service_non_default/requirements.txt
+++ b/endpoints/getting-started/clients/service_to_service_non_default/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
diff --git a/endpoints/getting-started/requirements.txt b/endpoints/getting-started/requirements.txt
index a0872cff2f5..de62f6fd4bf 100644
--- a/endpoints/getting-started/requirements.txt
+++ b/endpoints/getting-started/requirements.txt
@@ -4,5 +4,5 @@ gunicorn==20.0.4
 six==1.15.0
 pyyaml==5.3.1
 requests==2.24.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-oauthlib==0.4.1
diff --git a/healthcare/api-client/datasets/requirements.txt b/healthcare/api-client/datasets/requirements.txt
index 225ddb76148..86a4c9af4c4 100644
--- a/healthcare/api-client/datasets/requirements.txt
+++ b/healthcare/api-client/datasets/requirements.txt
@@ -1,4 +1,4 @@
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud==0.34.0
diff --git a/healthcare/api-client/dicom/requirements.txt b/healthcare/api-client/dicom/requirements.txt
index dec69525a4f..4be041e7e9e 100644
--- a/healthcare/api-client/dicom/requirements.txt
+++ b/healthcare/api-client/dicom/requirements.txt
@@ -1,5 +1,5 @@
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud-pubsub==1.7.0
 requests==2.24.0
diff --git a/healthcare/api-client/fhir/requirements.txt b/healthcare/api-client/fhir/requirements.txt
index 60aea7f7e10..7b83a3a21d7 100644
--- a/healthcare/api-client/fhir/requirements.txt
+++ b/healthcare/api-client/fhir/requirements.txt
@@ -1,6 +1,6 @@
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud==0.34.0
 google-cloud-storage==1.31.0
 requests==2.24.0
diff --git a/healthcare/api-client/hl7v2/requirements.txt b/healthcare/api-client/hl7v2/requirements.txt
index 225ddb76148..86a4c9af4c4 100644
--- a/healthcare/api-client/hl7v2/requirements.txt
+++ b/healthcare/api-client/hl7v2/requirements.txt
@@ -1,4 +1,4 @@
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud==0.34.0
diff --git a/healthcare/api-client/v1/datasets/requirements.txt b/healthcare/api-client/v1/datasets/requirements.txt
index 225ddb76148..86a4c9af4c4 100644
--- a/healthcare/api-client/v1/datasets/requirements.txt
+++ b/healthcare/api-client/v1/datasets/requirements.txt
@@ -1,4 +1,4 @@
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud==0.34.0
diff --git a/healthcare/api-client/v1/dicom/requirements.txt b/healthcare/api-client/v1/dicom/requirements.txt
index dec69525a4f..4be041e7e9e 100644
--- a/healthcare/api-client/v1/dicom/requirements.txt
+++ b/healthcare/api-client/v1/dicom/requirements.txt
@@ -1,5 +1,5 @@
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud-pubsub==1.7.0
 requests==2.24.0
diff --git a/healthcare/api-client/v1/fhir/requirements.txt b/healthcare/api-client/v1/fhir/requirements.txt
index 7afe71313f3..b6b38d26ca9 100644
--- a/healthcare/api-client/v1/fhir/requirements.txt
+++ b/healthcare/api-client/v1/fhir/requirements.txt
@@ -1,5 +1,5 @@
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud==0.34.0
 google-cloud-storage==1.31.0
diff --git a/healthcare/api-client/v1/hl7v2/requirements.txt b/healthcare/api-client/v1/hl7v2/requirements.txt
index 225ddb76148..86a4c9af4c4 100644
--- a/healthcare/api-client/v1/hl7v2/requirements.txt
+++ b/healthcare/api-client/v1/hl7v2/requirements.txt
@@ -1,4 +1,4 @@
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud==0.34.0
diff --git a/iam/api-client/requirements.txt b/iam/api-client/requirements.txt
index b5124a505c4..7858cee7e3a 100644
--- a/iam/api-client/requirements.txt
+++ b/iam/api-client/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
diff --git a/iap/requirements.txt b/iap/requirements.txt
index 406ef5457a4..0cc433ebe92 100644
--- a/iap/requirements.txt
+++ b/iap/requirements.txt
@@ -1,6 +1,6 @@
 cryptography==3.1
 flask==1.1.2
-google-auth==1.21.0
+google-auth==1.21.1
 gunicorn==20.0.4
 requests==2.24.0
 requests_toolbelt==0.9.1
diff --git a/iot/api-client/end_to_end_example/requirements.txt b/iot/api-client/end_to_end_example/requirements.txt
index 0348ebcbb19..4db21a03917 100644
--- a/iot/api-client/end_to_end_example/requirements.txt
+++ b/iot/api-client/end_to_end_example/requirements.txt
@@ -1,7 +1,7 @@
 cryptography==3.1
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud-pubsub==1.7.0
 pyjwt==1.7.1
 paho-mqtt==1.5.0
diff --git a/iot/api-client/gcs_file_to_device/requirements.txt b/iot/api-client/gcs_file_to_device/requirements.txt
index 02fbcf36d28..db7857aec41 100644
--- a/iot/api-client/gcs_file_to_device/requirements.txt
+++ b/iot/api-client/gcs_file_to_device/requirements.txt
@@ -1,5 +1,5 @@
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
 google-cloud-iot==1.0.0
 google-cloud-pubsub==1.7.0
diff --git a/iot/api-client/http_example/requirements.txt b/iot/api-client/http_example/requirements.txt
index 727b78a57da..6c50f3949bc 100644
--- a/iot/api-client/http_example/requirements.txt
+++ b/iot/api-client/http_example/requirements.txt
@@ -1,7 +1,7 @@
 cryptography==3.1
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud-iot==1.0.0
 google-cloud-pubsub==1.7.0
 pyjwt==1.7.1
diff --git a/iot/api-client/manager/requirements.txt b/iot/api-client/manager/requirements.txt
index 178db090389..048caed4ebe 100644
--- a/iot/api-client/manager/requirements.txt
+++ b/iot/api-client/manager/requirements.txt
@@ -2,7 +2,7 @@ cryptography==3.1
 flaky==3.7.0
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud-iot==1.0.0
 google-cloud-pubsub==1.7.0
 paho-mqtt==1.5.0
diff --git a/iot/api-client/mqtt_example/requirements.txt b/iot/api-client/mqtt_example/requirements.txt
index 1f55ebe713c..bb13c310144 100644
--- a/iot/api-client/mqtt_example/requirements.txt
+++ b/iot/api-client/mqtt_example/requirements.txt
@@ -1,7 +1,7 @@
 cryptography==3.1
 google-api-python-client==1.11.0
 google-auth-httplib2==0.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 google-cloud-pubsub==1.7.0
 google-cloud-iot==1.0.0
 grpc-google-iam-v1==0.12.3
diff --git a/jobs/v3/api_client/requirements.txt b/jobs/v3/api_client/requirements.txt
index b5124a505c4..7858cee7e3a 100755
--- a/jobs/v3/api_client/requirements.txt
+++ b/jobs/v3/api_client/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
diff --git a/kubernetes_engine/api-client/requirements.txt b/kubernetes_engine/api-client/requirements.txt
index b5124a505c4..7858cee7e3a 100644
--- a/kubernetes_engine/api-client/requirements.txt
+++ b/kubernetes_engine/api-client/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
diff --git a/language/api/requirements.txt b/language/api/requirements.txt
index b5124a505c4..7858cee7e3a 100644
--- a/language/api/requirements.txt
+++ b/language/api/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
diff --git a/ml_engine/online_prediction/requirements.txt b/ml_engine/online_prediction/requirements.txt
index 8a88ebd62b9..7253274885c 100644
--- a/ml_engine/online_prediction/requirements.txt
+++ b/ml_engine/online_prediction/requirements.txt
@@ -1,5 +1,5 @@
 tensorflow==2.0.1; python_version > "3.0"
 tensorflow==1.15.0; python_version < "3.0"
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
diff --git a/monitoring/api/v3/api-client/requirements.txt b/monitoring/api/v3/api-client/requirements.txt
index b5124a505c4..7858cee7e3a 100644
--- a/monitoring/api/v3/api-client/requirements.txt
+++ b/monitoring/api/v3/api-client/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
diff --git a/run/markdown-preview/editor/requirements.txt b/run/markdown-preview/editor/requirements.txt
index d6e5b9a4c87..33860a4affb 100644
--- a/run/markdown-preview/editor/requirements.txt
+++ b/run/markdown-preview/editor/requirements.txt
@@ -1,4 +1,4 @@
 Flask==1.1.1
 gunicorn==20.0.4
-google-auth==1.21.0
+google-auth==1.21.1
 requests==2.24.0
\ No newline at end of file
diff --git a/run/markdown-preview/requirements-test.txt b/run/markdown-preview/requirements-test.txt
index be9115dfafe..9e165dcf5b5 100644
--- a/run/markdown-preview/requirements-test.txt
+++ b/run/markdown-preview/requirements-test.txt
@@ -1,3 +1,3 @@
 pytest==6.0.1
-google-auth==1.21.0
+google-auth==1.21.1
 google-api-python-client==1.11.0
diff --git a/storage/api/requirements.txt b/storage/api/requirements.txt
index b5124a505c4..7858cee7e3a 100644
--- a/storage/api/requirements.txt
+++ b/storage/api/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4
diff --git a/storage/signed_urls/requirements.txt b/storage/signed_urls/requirements.txt
index 0a0666b1135..67d76d588d9 100644
--- a/storage/signed_urls/requirements.txt
+++ b/storage/signed_urls/requirements.txt
@@ -1,3 +1,3 @@
 google-cloud-storage==1.31.0
-google-auth==1.21.0
+google-auth==1.21.1
 six==1.15.0
diff --git a/storage/transfer_service/requirements.txt b/storage/transfer_service/requirements.txt
index b5124a505c4..7858cee7e3a 100644
--- a/storage/transfer_service/requirements.txt
+++ b/storage/transfer_service/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.11.0
-google-auth==1.21.0
+google-auth==1.21.1
 google-auth-httplib2==0.0.4