diff --git a/requirements.txt b/requirements.txt
index fa9dc84..ecf9a86 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -78,7 +78,7 @@ toml==0.10.0
 tornado==6.0.3
 traitlets==4.3.2
 typed-ast==1.4.0
-urllib3==1.25.3
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.15.5