diff --git a/requirements.txt b/requirements.txt
index cfdc04d..e5584fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -86,7 +86,7 @@ tornado==6.1
 traitlets==5.0.5
 typing-extensions==3.7.4.3
 uritemplate==3.0.1
-urllib3==1.25.8
+urllib3==1.26.5
 wcwidth==0.2.5
 webencodings==0.5.1
 Werkzeug==1.0.1