diff --git a/phenopipe-web/requirements.txt b/phenopipe-web/requirements.txt
index 9a5ed07..2f1ce52 100644
--- a/phenopipe-web/requirements.txt
+++ b/phenopipe-web/requirements.txt
@@ -63,7 +63,7 @@ SQLAlchemy==1.1.4
 tinycss==0.4
 typing==3.5.2.2
 tzlocal==1.4
-urllib3==1.22
+urllib3==1.26.5
 WeasyPrint==0.33
 webencodings==0.5
 Werkzeug==0.11.11