diff --git a/requirements.txt b/requirements.txt
index d18532c..96937c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -86,7 +86,7 @@ testpath==0.4.2
 tornado==6.0.2
 traitlets==4.3.2
 uritemplate==3.0.0
-urllib3==1.24.1
+urllib3==1.26.5
 URLObject==2.4.3
 wcwidth==0.1.7
 webencodings==0.5.1