diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index 6de928ce..fa67de3d 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,4 +1,4 @@
-grpcio==1.28.1
+grpcio==1.29.0
 google-auth==1.14.3
 google-auth-httplib2==0.0.3
 google-cloud==0.34.0