diff --git a/requirements.txt b/requirements.txt
index 6354806..cb4289a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ terminado==0.8.2
 testpath==0.4.4
 tornado==5.1.1
 traitlets==4.3.3
-urllib3==1.25.6
+urllib3==1.25.8
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.16.0