diff --git a/requirements.txt b/requirements.txt
index 16f02a5..e10e330 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,5 +16,5 @@ python-dotenv==0.6.5
 pytz==2017.2
 requests==2.18.4
 six==1.10.0
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.12.2