diff --git a/requirements.txt b/requirements.txt
index a548e06..b237227 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,6 +15,6 @@ pytz==2018.5
 requests==2.19.1
 six==1.11.0
 typed-ast==1.1.0
-urllib3==1.23
+urllib3==1.24.2
 wincertstore==0.2
 wrapt==1.10.11