diff --git a/requirements.txt b/requirements.txt
index 0e174f7..e4c6548 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -119,7 +119,7 @@ tornado==5.1
 traitlets==4.3.2
 Twisted==20.3.0
 typed-ast==1.3.4
-urllib3==1.24.2
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.15.3