diff --git a/docker/requirements.txt b/docker/requirements.txt
index 0a822a02..8b58a8b5 100644
--- a/docker/requirements.txt
+++ b/docker/requirements.txt
@@ -63,7 +63,7 @@ testpath==0.3.1
 tornado==4.5.2
 tqdm==4.19.4
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.26.5
 wcwidth==0.1.7
 Werkzeug==0.12.2
 widgetsnbextension==3.0.8