diff --git a/bigquery/datalab-migration/requirements.txt b/bigquery/datalab-migration/requirements.txt
index 25a0329683b5..4eb47889a9b4 100644
--- a/bigquery/datalab-migration/requirements.txt
+++ b/bigquery/datalab-migration/requirements.txt
@@ -1,4 +1,4 @@
-grpcio==1.30.0
+grpcio==1.31.0
 google-cloud-bigquery[pandas,pyarrow]==1.25.0
 datalab==1.2.0
 ipython==7.13.0; python_version > "2.7"
diff --git a/bigquery/pandas-gbq-migration/requirements.txt b/bigquery/pandas-gbq-migration/requirements.txt
index 351d3ecf78ff..69e73257c757 100644
--- a/bigquery/pandas-gbq-migration/requirements.txt
+++ b/bigquery/pandas-gbq-migration/requirements.txt
@@ -4,4 +4,4 @@ pandas==0.25.3; python_version > '3.0'
 pandas==0.24.2; python_version < '3.0'
 pandas-gbq==0.13.2
 pyarrow==1.0.0
-grpcio==1.30.0
+grpcio==1.31.0
diff --git a/dataproc/requirements.txt b/dataproc/requirements.txt
index 8d61648d3b4c..8b9a106585ba 100644
--- a/dataproc/requirements.txt
+++ b/dataproc/requirements.txt
@@ -1,4 +1,4 @@
-grpcio==1.30.0
+grpcio==1.31.0
 google-auth==1.20.0
 google-auth-httplib2==0.0.4
 google-cloud==0.34.0
diff --git a/endpoints/bookstore-grpc-transcoding/requirements.txt b/endpoints/bookstore-grpc-transcoding/requirements.txt
index bc6276548599..bf8c0d69d980 100644
--- a/endpoints/bookstore-grpc-transcoding/requirements.txt
+++ b/endpoints/bookstore-grpc-transcoding/requirements.txt
@@ -1,4 +1,4 @@
-grpcio==1.30.0
+grpcio==1.31.0
 grpcio-tools==1.30.0
 google-auth==1.20.0
 six==1.15.0
diff --git a/endpoints/bookstore-grpc/requirements.txt b/endpoints/bookstore-grpc/requirements.txt
index bc6276548599..bf8c0d69d980 100644
--- a/endpoints/bookstore-grpc/requirements.txt
+++ b/endpoints/bookstore-grpc/requirements.txt
@@ -1,4 +1,4 @@
-grpcio==1.30.0
+grpcio==1.31.0
 grpcio-tools==1.30.0
 google-auth==1.20.0
 six==1.15.0
diff --git a/endpoints/getting-started-grpc/requirements.txt b/endpoints/getting-started-grpc/requirements.txt
index d601575a36c3..2844316fae52 100644
--- a/endpoints/getting-started-grpc/requirements.txt
+++ b/endpoints/getting-started-grpc/requirements.txt
@@ -1,2 +1,2 @@
-grpcio==1.30.0
+grpcio==1.31.0
 grpcio-tools==1.30.0
diff --git a/opencensus/requirements.txt b/opencensus/requirements.txt
index ca1036ad0d02..45e6786ad68c 100644
--- a/opencensus/requirements.txt
+++ b/opencensus/requirements.txt
@@ -1,3 +1,3 @@
-grpcio==1.30.0
+grpcio==1.31.0
 opencensus-ext-stackdriver==0.7.3
 opencensus==0.7.10
diff --git a/trace/cloud-trace-demo-app/app/requirements.txt b/trace/cloud-trace-demo-app/app/requirements.txt
index da554508d324..5bc6dc01d083 100644
--- a/trace/cloud-trace-demo-app/app/requirements.txt
+++ b/trace/cloud-trace-demo-app/app/requirements.txt
@@ -5,5 +5,5 @@ Flask==1.1.2
 opencensus-ext-stackdriver==0.7.3
 opencensus-ext-flask==0.7.3
 opencensus-context==0.1.2
-grpcio==1.30.0
+grpcio==1.31.0
 httpretty==1.0.2