diff --git a/requirements.txt b/requirements.txt
index 671ca96..bdbb9b4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -67,7 +67,7 @@ SQLAlchemy==1.3.0
 Unipath==1.1
 urllib3==1.24.2
 vine==1.1.4
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wrapt==1.10.11
 WTForms==2.2.1
 xlrd==1.1.0