diff --git a/requirements.txt b/requirements.txt
index 56f5f4f..109153e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -61,7 +61,7 @@ tornado==6.0.4
 traitlets==4.3.3
 typed-ast==1.4.1
 ua-parser==0.10.0
-urllib3==1.25.11
+urllib3==1.26.5
 wcwidth==0.2.5
 Werkzeug==1.0.1
 wrapt==1.12.1