diff --git a/appengine/standard/storage/api-client/requirements.txt b/appengine/standard/storage/api-client/requirements.txt
index 39fd57da126..9ae1b98d17b 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==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
diff --git a/auth/api-client/requirements.txt b/auth/api-client/requirements.txt
index f8d9eddc271..15f0deaeaf7 100644
--- a/auth/api-client/requirements.txt
+++ b/auth/api-client/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
diff --git a/auth/end-user/web/requirements.txt b/auth/end-user/web/requirements.txt
index 8b949da4b72..bb425b77a23 100644
--- a/auth/end-user/web/requirements.txt
+++ b/auth/end-user/web/requirements.txt
@@ -1,6 +1,6 @@
 google-auth==1.18.0
 google-auth-oauthlib==0.4.1
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-api-python-client==1.9.3
 flask==1.1.2
 requests==2.24.0
diff --git a/compute/api/requirements.txt b/compute/api/requirements.txt
index 39fd57da126..9ae1b98d17b 100644
--- a/compute/api/requirements.txt
+++ b/compute/api/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
diff --git a/compute/auth/requirements.txt b/compute/auth/requirements.txt
index bfe8e04198e..e95442769ad 100644
--- a/compute/auth/requirements.txt
+++ b/compute/auth/requirements.txt
@@ -1,4 +1,4 @@
 requests==2.24.0
 google-api-python-client==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
diff --git a/compute/encryption/requirements.txt b/compute/encryption/requirements.txt
index 2af41900abc..47f21e5b0eb 100644
--- a/compute/encryption/requirements.txt
+++ b/compute/encryption/requirements.txt
@@ -2,4 +2,4 @@ cryptography==2.9.2
 requests==2.24.0
 google-api-python-client==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
diff --git a/compute/oslogin/requirements.txt b/compute/oslogin/requirements.txt
index 61866e38d74..95ebd61210e 100644
--- a/compute/oslogin/requirements.txt
+++ b/compute/oslogin/requirements.txt
@@ -1,4 +1,4 @@
 google-api-python-client==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 requests==2.24.0
diff --git a/dataproc/requirements.txt b/dataproc/requirements.txt
index e6ecb26aa46..7cfcf22cbfd 100644
--- a/dataproc/requirements.txt
+++ b/dataproc/requirements.txt
@@ -1,6 +1,6 @@
 grpcio==1.30.0
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-cloud==0.34.0
 google-cloud-storage==1.29.0
 google-cloud-dataproc==1.0.0
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 39fd57da126..9ae1b98d17b 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==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
diff --git a/healthcare/api-client/datasets/requirements.txt b/healthcare/api-client/datasets/requirements.txt
index ec987c98a40..d4233b8ebe3 100644
--- a/healthcare/api-client/datasets/requirements.txt
+++ b/healthcare/api-client/datasets/requirements.txt
@@ -1,4 +1,4 @@
 google-api-python-client==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
 google-cloud==0.34.0
diff --git a/healthcare/api-client/dicom/requirements.txt b/healthcare/api-client/dicom/requirements.txt
index 159fd7e850f..9d5c1617f49 100644
--- a/healthcare/api-client/dicom/requirements.txt
+++ b/healthcare/api-client/dicom/requirements.txt
@@ -1,5 +1,5 @@
 google-api-python-client==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
 google-cloud-pubsub==1.6.1
 requests==2.24.0
diff --git a/healthcare/api-client/fhir/requirements.txt b/healthcare/api-client/fhir/requirements.txt
index 6b1a1b0b4ae..89c98def6de 100644
--- a/healthcare/api-client/fhir/requirements.txt
+++ b/healthcare/api-client/fhir/requirements.txt
@@ -1,5 +1,5 @@
 google-api-python-client==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
 google-cloud==0.34.0
 google-cloud-storage==1.29.0
diff --git a/healthcare/api-client/hl7v2/requirements.txt b/healthcare/api-client/hl7v2/requirements.txt
index ec987c98a40..d4233b8ebe3 100644
--- a/healthcare/api-client/hl7v2/requirements.txt
+++ b/healthcare/api-client/hl7v2/requirements.txt
@@ -1,4 +1,4 @@
 google-api-python-client==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
 google-cloud==0.34.0
diff --git a/healthcare/api-client/v1/datasets/requirements.txt b/healthcare/api-client/v1/datasets/requirements.txt
index ec987c98a40..d4233b8ebe3 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==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
 google-cloud==0.34.0
diff --git a/healthcare/api-client/v1/dicom/requirements.txt b/healthcare/api-client/v1/dicom/requirements.txt
index 159fd7e850f..9d5c1617f49 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==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
 google-cloud-pubsub==1.6.1
 requests==2.24.0
diff --git a/healthcare/api-client/v1/fhir/requirements.txt b/healthcare/api-client/v1/fhir/requirements.txt
index 583152d9778..1843bbc167b 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==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
 google-cloud==0.34.0
 google-cloud-storage==1.29.0
diff --git a/healthcare/api-client/v1/hl7v2/requirements.txt b/healthcare/api-client/v1/hl7v2/requirements.txt
index ec987c98a40..d4233b8ebe3 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==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
 google-cloud==0.34.0
diff --git a/iam/api-client/requirements.txt b/iam/api-client/requirements.txt
index 39fd57da126..9ae1b98d17b 100644
--- a/iam/api-client/requirements.txt
+++ b/iam/api-client/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
diff --git a/iot/api-client/end_to_end_example/requirements.txt b/iot/api-client/end_to_end_example/requirements.txt
index e7e57a24ebb..357f0346d7a 100644
--- a/iot/api-client/end_to_end_example/requirements.txt
+++ b/iot/api-client/end_to_end_example/requirements.txt
@@ -1,6 +1,6 @@
 cryptography==2.9.2
 google-api-python-client==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
 google-cloud-pubsub==1.6.1
 pyjwt==1.7.1
diff --git a/iot/api-client/gcs_file_to_device/requirements.txt b/iot/api-client/gcs_file_to_device/requirements.txt
index 950707fa044..e6f991403f4 100644
--- a/iot/api-client/gcs_file_to_device/requirements.txt
+++ b/iot/api-client/gcs_file_to_device/requirements.txt
@@ -1,6 +1,6 @@
 google-api-python-client==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-cloud-iot==1.0.0
 google-cloud-pubsub==1.6.1
 google-cloud-storage==1.29.0
diff --git a/iot/api-client/http_example/requirements.txt b/iot/api-client/http_example/requirements.txt
index b9653dac8cf..0bed7d061e3 100644
--- a/iot/api-client/http_example/requirements.txt
+++ b/iot/api-client/http_example/requirements.txt
@@ -1,6 +1,6 @@
 cryptography==2.9.2
 google-api-python-client==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
 google-cloud-iot==1.0.0
 google-cloud-pubsub==1.6.1
diff --git a/iot/api-client/manager/requirements.txt b/iot/api-client/manager/requirements.txt
index a72edbd3ced..042e91375d0 100644
--- a/iot/api-client/manager/requirements.txt
+++ b/iot/api-client/manager/requirements.txt
@@ -1,7 +1,7 @@
 cryptography==2.9.2
 flaky==3.7.0
 google-api-python-client==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
 google-cloud-iot==1.0.0
 google-cloud-pubsub==1.6.1
diff --git a/iot/api-client/mqtt_example/requirements.txt b/iot/api-client/mqtt_example/requirements.txt
index 8233757bc48..f12b0c5858b 100644
--- a/iot/api-client/mqtt_example/requirements.txt
+++ b/iot/api-client/mqtt_example/requirements.txt
@@ -1,6 +1,6 @@
 cryptography==2.9.2
 google-api-python-client==1.9.3
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
 google-auth==1.18.0
 google-cloud-pubsub==1.6.1
 google-cloud-iot==1.0.0
diff --git a/jobs/v3/api_client/requirements.txt b/jobs/v3/api_client/requirements.txt
index 39fd57da126..9ae1b98d17b 100755
--- a/jobs/v3/api_client/requirements.txt
+++ b/jobs/v3/api_client/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
diff --git a/kubernetes_engine/api-client/requirements.txt b/kubernetes_engine/api-client/requirements.txt
index 39fd57da126..9ae1b98d17b 100644
--- a/kubernetes_engine/api-client/requirements.txt
+++ b/kubernetes_engine/api-client/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
diff --git a/language/api/requirements.txt b/language/api/requirements.txt
index 39fd57da126..9ae1b98d17b 100644
--- a/language/api/requirements.txt
+++ b/language/api/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
diff --git a/ml_engine/online_prediction/requirements.txt b/ml_engine/online_prediction/requirements.txt
index 9ef446d4ad1..1ea4e1a22c1 100644
--- a/ml_engine/online_prediction/requirements.txt
+++ b/ml_engine/online_prediction/requirements.txt
@@ -2,4 +2,4 @@ tensorflow==2.0.1; python_version > "3.0"
 tensorflow==1.15.0; python_version < "3.0"
 google-api-python-client==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+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 39fd57da126..9ae1b98d17b 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==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
diff --git a/storage/api/requirements.txt b/storage/api/requirements.txt
index 39fd57da126..9ae1b98d17b 100644
--- a/storage/api/requirements.txt
+++ b/storage/api/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4
diff --git a/storage/transfer_service/requirements.txt b/storage/transfer_service/requirements.txt
index 39fd57da126..9ae1b98d17b 100644
--- a/storage/transfer_service/requirements.txt
+++ b/storage/transfer_service/requirements.txt
@@ -1,3 +1,3 @@
 google-api-python-client==1.9.3
 google-auth==1.18.0
-google-auth-httplib2==0.0.3
+google-auth-httplib2==0.0.4