diff --git a/appengine/urlfetch/requests/requirements.txt b/appengine/urlfetch/requests/requirements.txt
index a3a231c99db..913a6f50d48 100644
--- a/appengine/urlfetch/requests/requirements.txt
+++ b/appengine/urlfetch/requests/requirements.txt
@@ -1,3 +1,3 @@
 Flask==0.10.1
 requests==2.10.0
-requests-toolbelt==0.6.0
+requests-toolbelt==0.6.1