diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index fab797494..3bcab1ace 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,7 +1,7 @@
 google-cloud-bigquery==2.1.0
 google-cloud-bigquery-storage==2.0.0
 google-auth-oauthlib==0.4.2
-grpcio==1.33.1
+grpcio==1.33.2
 ipython==7.16.1; python_version < '3.7'
 ipython==7.17.0; python_version >= '3.7'
 matplotlib==3.3.2