diff --git a/jobs/v3/api_client/requirements.txt b/jobs/v3/api_client/requirements.txt
index 52ccdec8694..421ee1f3d9c 100755
--- a/jobs/v3/api_client/requirements.txt
+++ b/jobs/v3/api_client/requirements.txt
@@ -1,3 +1,3 @@
-google-api-python-client==1.8.2
+google-api-python-client==1.8.3
 google-auth==1.15.0
 google-auth-httplib2==0.0.3
diff --git a/kubernetes_engine/api-client/requirements.txt b/kubernetes_engine/api-client/requirements.txt
index 52ccdec8694..421ee1f3d9c 100644
--- a/kubernetes_engine/api-client/requirements.txt
+++ b/kubernetes_engine/api-client/requirements.txt
@@ -1,3 +1,3 @@
-google-api-python-client==1.8.2
+google-api-python-client==1.8.3
 google-auth==1.15.0
 google-auth-httplib2==0.0.3
diff --git a/language/api/requirements.txt b/language/api/requirements.txt
index 52ccdec8694..421ee1f3d9c 100644
--- a/language/api/requirements.txt
+++ b/language/api/requirements.txt
@@ -1,3 +1,3 @@
-google-api-python-client==1.8.2
+google-api-python-client==1.8.3
 google-auth==1.15.0
 google-auth-httplib2==0.0.3
diff --git a/ml_engine/online_prediction/requirements.txt b/ml_engine/online_prediction/requirements.txt
index 4643bea7d30..da861eee34b 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==1.8.2
+google-api-python-client==1.8.3
 google-auth==1.15.0
 google-auth-httplib2==0.0.3
diff --git a/monitoring/api/v3/api-client/requirements.txt b/monitoring/api/v3/api-client/requirements.txt
index 52ccdec8694..421ee1f3d9c 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==1.8.2
+google-api-python-client==1.8.3
 google-auth==1.15.0
 google-auth-httplib2==0.0.3
diff --git a/notebooks/samples/requirements.txt b/notebooks/samples/requirements.txt
index 85e356966f1..3465b4ec43d 100644
--- a/notebooks/samples/requirements.txt
+++ b/notebooks/samples/requirements.txt
@@ -1 +1 @@
-google-api-python-client==1.8.2
\ No newline at end of file
+google-api-python-client==1.8.3
diff --git a/storage/api/requirements.txt b/storage/api/requirements.txt
index 52ccdec8694..421ee1f3d9c 100644
--- a/storage/api/requirements.txt
+++ b/storage/api/requirements.txt
@@ -1,3 +1,3 @@
-google-api-python-client==1.8.2
+google-api-python-client==1.8.3
 google-auth==1.15.0
 google-auth-httplib2==0.0.3
diff --git a/storage/transfer_service/requirements.txt b/storage/transfer_service/requirements.txt
index 52ccdec8694..421ee1f3d9c 100644
--- a/storage/transfer_service/requirements.txt
+++ b/storage/transfer_service/requirements.txt
@@ -1,3 +1,3 @@
-google-api-python-client==1.8.2
+google-api-python-client==1.8.3
 google-auth==1.15.0
 google-auth-httplib2==0.0.3