diff --git a/requirements.txt b/requirements.txt
index c3be143..5410ac2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -100,7 +100,7 @@ testpath==0.4.4
 tornado==6.0.3
 traitlets==4.3.3
 typed-ast==1.4.1
-urllib3==1.25.3
+urllib3==1.25.8
 wcwidth==0.1.7
 webencodings==0.5.1
 websocket-client==0.57.0