diff --git a/docker/requirements.txt b/docker/requirements.txt
index 6e96375..02267b7 100644
--- a/docker/requirements.txt
+++ b/docker/requirements.txt
@@ -117,7 +117,7 @@ terminado==0.8.1
 testpath==0.3.1
 tornado==5.0.1
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.14.1