diff --git a/requirements.txt b/requirements.txt
index f9e86e0..b5dbb1a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -111,7 +111,7 @@ toolz==0.9.0
 tornado==5.0.2
 tqdm==4.23.1
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.26.5
 virtualenv==16.0.0
 wcwidth==0.1.7
 webencodings==0.5.1