diff --git a/requirements.txt b/requirements.txt
index 4ee0d76..1f62a34 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,6 +27,6 @@ requests==2.22.0
 six==1.13.0
 soupsieve==1.9.5
 traitlets==4.3.3
-urllib3==1.25.6
+urllib3==1.25.8
 wcwidth==0.1.7
 Werkzeug==0.16.0