diff --git a/requirements.txt b/requirements.txt
index da05537..af6d9d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,6 +54,6 @@ toolz==0.9.0
 tornado==5.1.1
 tqdm==4.29.1
 urllib3==1.24.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 xlrd==1.2.0
 zict==0.1.3