diff --git a/requirements.txt b/requirements.txt
index 288f3e9..b573955 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ six==1.10.0
 soco==0.12
 tzlocal==1.4
 uritemplate==3.0.0
-urllib3==1.21.1
+urllib3==1.20
 webassets==0.12.1
 xmltodict==0.11.0