diff --git a/samples/api-client/manager/requirements.txt b/samples/api-client/manager/requirements.txt
index 21e42e06..0dbef4aa 100644
--- a/samples/api-client/manager/requirements.txt
+++ b/samples/api-client/manager/requirements.txt
@@ -1,4 +1,4 @@
 google-api-python-client==1.6.3
 google-auth-httplib2==0.0.2
-google-auth==1.0.2
+google-auth==1.1.0
 google-cloud==0.27.0