diff --git a/requirements.txt b/requirements.txt
index 129de20..910d177 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,5 +20,5 @@ PyYAML==3.13
 scipy==1.1.0
 seaborn==0.8.1
 six==1.11.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wrapt==1.10.11