diff --git a/requirements.txt b/requirements.txt
index 89e691c..45fcb14 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -82,7 +82,7 @@ tqdm==4.28.1
 traitlets==4.3.2
 typing==3.6.6
 ujson==1.35
-urllib3==1.24
+urllib3==1.24.2
 wcwidth==0.1.7
 webencodings==0.5.1
 widgetsnbextension==3.4.2