diff --git a/requirements.txt b/requirements.txt
index 665b33d..e088618 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@ gunicorn==19.7.1
 idna==2.6
 pytz==2017.2
 requests==2.18.4
-urllib3==1.22
+urllib3==1.26.5