diff --git a/requirements.txt b/requirements.txt
index 22d0e03..437d597 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,5 +5,5 @@ requests==2.18.4
 six==1.11.0
 slackclient==1.1.0
 slackeventsapi==1.1.0
-urllib3==1.22
+urllib3==1.24.2
 websocket-client==0.44.0