diff --git a/flask/requirements.txt b/flask/requirements.txt
index e223fa6..fb93ede 100644
--- a/flask/requirements.txt
+++ b/flask/requirements.txt
@@ -43,7 +43,7 @@ rq==0.12.0
 rq-scheduler==0.8.3
 six==1.11.0
 SQLAlchemy==1.3.0
-urllib3==1.24.2
+urllib3==1.26.5
 vine==1.1.4
 visitor==0.1.3
 Werkzeug==0.16.0