diff --git a/htdocs/requirements.txt b/htdocs/requirements.txt
index f149935..9249990 100644
--- a/htdocs/requirements.txt
+++ b/htdocs/requirements.txt
@@ -16,6 +16,6 @@ pytz==2018.9
 requests==2.21.0
 requests-oauthlib==1.2.0
 six==1.12.0
-urllib3==1.24.2
+urllib3==1.26.5
 psycopg2==2.8.4
 gunicorn==20.0.4