diff --git a/requirements.txt b/requirements.txt
index 2bb1161..1707778 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -68,7 +68,7 @@ testpath==0.4.4
 toml==0.10.1
 tornado==6.0.4
 traitlets==5.0.5
-urllib3==1.25.11
+urllib3==1.26.5
 wcwidth==0.2.5
 webencodings==0.5.1
 Werkzeug==1.0.1