diff --git a/requirements.txt b/requirements.txt
index e530b06..2f07eb7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,6 +44,6 @@ SQLAlchemy==1.3.0
 toml==0.10.0
 tox==3.4.0
 typed-ast==1.1.0
-urllib3==1.24.2
+urllib3==1.26.5
 virtualenv==16.0.0
 Werkzeug==0.15.3