diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index 2afbeb94..9d03d5ba 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,4 +1,4 @@
 google-api-python-client==1.6.4
-google-auth==1.2.0
-google-auth-httplib2==0.0.2
+google-auth==1.2.1
+google-auth-httplib2==0.0.3
 google-cloud==0.30.0