diff --git a/requirements.txt b/requirements.txt
index ca212e0..3b85226 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,5 +58,5 @@ tornado==5.1
 tqdm==4.24.0
 traitlets==4.3.2
 wcwidth==0.1.7
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wincertstore==0.2