diff --git a/requirements.txt b/requirements.txt
index f863aa0..9d8b41d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,4 +22,4 @@ scipy==0.19.1
 six==1.10.0
 sklearn==0.0
 urllib3==1.21.1
-Werkzeug==0.12.1
+Werkzeug==0.15.3