diff --git a/requirements.txt b/requirements.txt
index ef98096..53bbac7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ chardet==3.0.4
 idna==2.6
 requests==2.18.4
 slackweb==1.0.5
-urllib3==1.22
+urllib3==1.24.2