diff --git a/requirements.txt b/requirements.txt
index ea869d1..cc6b697 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -81,7 +81,7 @@ terminado==0.8.2
 testpath==0.4.2
 tornado==6.0.3
 traitlets==4.3.3
-urllib3==1.25.6
+urllib3==1.25.8
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.16.0