diff --git a/requirements.txt b/requirements.txt
index 75b04d5..1d2a576 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,4 +25,4 @@ svgwrite==1.1.12
 tensorflow==1.4.1
 tensorflow-tensorboard==0.4.0
 urllib3==1.22
-Werkzeug==0.14.1
+Werkzeug==0.15.3