diff --git a/requirements.txt b/requirements.txt
index 3bd710c..7c2448c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -89,7 +89,7 @@ toml==0.10.2
 tornado==6.3.2
 traitlets==5.0.5
 typed-ast==1.4.1
-urllib3==1.26.5
+urllib3==1.26.18
 virtualenv==20.1.0
 wcwidth==0.2.5
 webencodings==0.5.1