diff --git a/requirements.txt b/requirements.txt
index a993c65..6dc128a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,6 +37,6 @@ pytz==2018.4
 PyYAML==3.12
 requests==2.18.4
 six==1.11.0
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.14.1
 wrapt==1.10.11