diff --git a/requirements.txt b/requirements.txt
index f983cd1..f5a1d2c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ MarkupSafe==1.0
 pycparser==2.18
 requests==2.19.1
 six==1.11.0
-urllib3==1.23
+urllib3==1.26.5
 websocket==0.2.1
 websocket-client==0.48.0
 Werkzeug==0.14.1