diff --git a/requirements.txt b/requirements.txt
index a249806..f8c48ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -160,7 +160,7 @@ tornado==4.5.2
 traitlets==4.3.2
 typing==3.6.2
 unicodecsv==0.14.1
-urllib3==1.22
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.12.2