diff --git a/requirements.txt b/requirements.txt
index 7eed362..a67cd39 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,5 +19,5 @@ PyYAML==3.13
 requests==2.19.1
 six==1.11.0
 tzlocal==1.5.1
-urllib3==1.23
+urllib3==1.26.5
 Werkzeug==0.14.1