diff --git a/requirements.txt b/requirements.txt
index 0ef6da1..05ccfff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -82,7 +82,7 @@ tornado==6.0.3
 traitlets==4.3.2
 typing-extensions==3.7.4.2
 tzlocal==2.0.0
-urllib3==1.25.9
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.16.0