diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index c2c95875..73711994 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,5 +1,5 @@
 grpcio==1.31.0
-google-auth==1.20.1
+google-auth==1.21.2
 google-auth-httplib2==0.0.4
 google-cloud==0.34.0
 google-cloud-storage==1.30.0