diff --git a/requirements.txt b/requirements.txt
index a417ac1..c15d4c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -64,7 +64,7 @@ terminaltables==3.1.0
 testpath==0.3
 tornado==4.5.1
 traitlets==4.3.2
-urllib3==1.25.3
+urllib3==1.25.8
 virtualenv==15.1.0
 wcwidth==0.1.7
 webencodings==0.5.1