diff --git a/requirements.txt b/requirements.txt
index 5c2d657..89b3390 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -102,7 +102,7 @@ tqdm==4.32.2
 traitlets==4.3.2
 Twisted==18.7.0
 uritemplate==3.0.0
-urllib3==1.23
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.15.4