diff --git a/requirements.txt b/requirements.txt
index e85ed37..c4754c4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ rsa==3.4.2
 six==1.11.0
 slackbot==0.5.1
 slacker==0.9.60
-urllib3==1.22
+urllib3==1.26.5
 virtualenv==15.1.0
 websocket-client==0.44.0
 Werkzeug==0.12.2