diff --git a/requirements.txt b/requirements.txt
index b5e29cc..9b6122e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,6 +46,6 @@ Sphinx==1.6.2
 sphinxcontrib-websupport==1.0.1
 stripe==1.59.0
 traitlets==4.3.2
-urllib3==1.21.1
+urllib3==1.26.5
 uWSGI==2.0.15
 wcwidth==0.1.7