diff --git a/requirements.txt b/requirements.txt
index 96de3de..d221a41 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,5 +18,5 @@ MarkupSafe==1.0
 pytz==2018.3
 requests==2.18.4
 six==1.11.0
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.14.1