diff --git a/requirements.txt b/requirements.txt
index 91b21c1..b6a9b34 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ pytz==2018.3
 PyYAML==3.12
 requests==2.18.4
 six==1.11.0
-urllib3==1.22
+urllib3==1.26.5
 websocket==0.2.1
 websocket-client==0.47.0
 Werkzeug==0.12.2