diff --git a/requirements.txt b/requirements.txt
index 260a312..a475cbc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,4 +34,4 @@ termcolor==1.1.0
 Theano==1.0.4+10.g9feed7868
 urllib3==1.24.1
 virtualenv-clone==0.4.0
-Werkzeug==0.15.1
+Werkzeug==0.15.3