From 3f7933050f9bf574fd0d36260aaa23d0b655e57c Mon Sep 17 00:00:00 2001
From: Mehdy Bohlool <mehdy@google.com>
Date: Wed, 26 Apr 2017 13:58:52 -0700
Subject: [PATCH] Update requirements.txt

---
 requirements.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index a43810b7b..05386e93b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ certifi>=14.05.14 # MPL
 six>=1.9.0  # MIT
 python-dateutil>=2.5.3  # BSD
 setuptools>=21.0.0  # PSF/ZPL
-urllib3>=1.19.1,!=1.20  # MIT
+urllib3>=1.19.1,!=1.21  # MIT
 pyyaml>=3.12  # MIT
 oauth2client>=4.0.0  # Apache-2.0
 ipaddress>=1.0.17  # PSF