diff --git a/requirements.txt b/requirements.txt
index d0c90e2..dd5d798 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -65,7 +65,7 @@ tornado==5.1
 traitlets==4.3.2
 typing==3.6.6
 typing-extensions==3.7.2
-urllib3==1.24.2
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 wurlitzer==1.0.2