diff --git a/requirements.txt b/requirements.txt
index 1ec89bd..9d4fa0b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -82,7 +82,7 @@ tqdm==4.46.0
 traitlets==4.3.2
 troposphere==2.6.1
 typed-ast==1.4.1
-urllib3==1.25.5
+urllib3==1.26.5
 Werkzeug==0.16.0
 wrapt==1.11.2
 wsgi-request-logger==0.4.6