diff --git a/requirements.txt b/requirements.txt
index 4c54af1f..e6fa7fad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,4 +27,4 @@ scipy==1.0.0
 six==1.11.0
 sklearn==0.0
 urllib3==1.21.1
-Werkzeug==0.12.2
+Werkzeug==0.15.3