diff --git a/gmail/quickstart/requirements.txt b/gmail/quickstart/requirements.txt
index 34aaede8..3b59f4db 100644
--- a/gmail/quickstart/requirements.txt
+++ b/gmail/quickstart/requirements.txt
@@ -1,3 +1,3 @@
-google-api-python-client==1.7.8
+google-api-python-client==2.135.0
 google-auth-httplib2==0.0.3
 google-auth-oauthlib==0.4.0
\ No newline at end of file