diff --git a/dash_app/requirements.txt b/dash_app/requirements.txt
index c17b7b0..dc14e2d 100644
--- a/dash_app/requirements.txt
+++ b/dash_app/requirements.txt
@@ -23,8 +23,8 @@ requests==2.20.0
 retrying==1.3.3
 six==1.11.0
 traitlets==4.3.2
-urllib3==1.24.2
-Werkzeug==0.14.1
+urllib3==1.23
+Werkzeug==0.15.3
 numpy==1.17.4
 pandas==0.25.3
 dash-table-experiments==0.6.0