diff --git a/requirements.txt b/requirements.txt
index b7c4cfc..99ede11 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-requests==2.11.1
+requests>=2.11.1,<3.0
 gcloud==0.17.0
 oauth2client==3.0.0
 requests-toolbelt==0.7.0