diff --git a/dataproc/requirements.txt b/dataproc/requirements.txt
index 7c7c7e4c35da..0eab0356052f 100644
--- a/dataproc/requirements.txt
+++ b/dataproc/requirements.txt
@@ -1,5 +1,5 @@
 grpcio==1.29.0
-google-auth==1.14.3
+google-auth==1.15.0
 google-auth-httplib2==0.0.3
 google-cloud==0.34.0
 google-cloud-storage==1.28.1
diff --git a/endpoints/bookstore-grpc-transcoding/requirements.txt b/endpoints/bookstore-grpc-transcoding/requirements.txt
index 5a1e1d30afb7..945760a0e7ac 100644
--- a/endpoints/bookstore-grpc-transcoding/requirements.txt
+++ b/endpoints/bookstore-grpc-transcoding/requirements.txt
@@ -1,5 +1,5 @@
 grpcio==1.29.0
 grpcio-tools==1.29.0
-google-auth==1.14.3
+google-auth==1.15.0
 six==1.14.0
 googleapis-common-protos==1.51.0
diff --git a/endpoints/bookstore-grpc/requirements.txt b/endpoints/bookstore-grpc/requirements.txt
index ee5141fc31a9..d2b4db3b0f86 100644
--- a/endpoints/bookstore-grpc/requirements.txt
+++ b/endpoints/bookstore-grpc/requirements.txt
@@ -1,4 +1,4 @@
 grpcio==1.29.0
 grpcio-tools==1.29.0
-google-auth==1.14.3
+google-auth==1.15.0
 six==1.14.0
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 6dbe6ea04c2f..52ccdec8694e 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==1.8.2
-google-auth==1.14.3
+google-auth==1.15.0
 google-auth-httplib2==0.0.3
diff --git a/endpoints/getting-started/requirements.txt b/endpoints/getting-started/requirements.txt
index 67df652b99d8..408f7367fbaf 100644
--- a/endpoints/getting-started/requirements.txt
+++ b/endpoints/getting-started/requirements.txt
@@ -4,5 +4,5 @@ gunicorn==20.0.4
 six==1.14.0
 pyyaml==5.3.1
 requests==2.23.0
-google-auth==1.14.3
+google-auth==1.15.0
 google-auth-oauthlib==0.4.1
diff --git a/functions/composer/requirements.txt b/functions/composer/requirements.txt
index 0df72fd7e4eb..c1766e56ab5b 100644
--- a/functions/composer/requirements.txt
+++ b/functions/composer/requirements.txt
@@ -1,2 +1,2 @@
 requests_toolbelt==0.9.1
-google-auth==1.14.3
+google-auth==1.15.0