diff --git a/requirements.txt b/requirements.txt
index 6b02711..4ee779e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -130,7 +130,7 @@ testpath==0.4.2
 tornado==5.1.1
 traitlets==4.3.2
 typed-ast==1.4.0
-urllib3==1.25.3
+urllib3==1.25.8
 vine==1.3.0
 wcwidth==0.1.7
 webencodings==0.5.1