diff --git a/requirements.txt b/requirements.txt
index 813be82..1d2ce03 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,6 +39,6 @@ scipy==1.2.1
 seaborn==0.9.0
 six==1.12.0
 traitlets==4.3.2
-urllib3==1.24.1
+urllib3==1.26.5
 Werkzeug==0.14.1
 wrapt==1.11.1