diff --git a/requirements.txt b/requirements.txt
index d213703..c9a6f65 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -143,6 +143,6 @@ urllib3==1.23
 utm==0.4.2
 wcwidth==0.1.7
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.5
 wrapt==1.10.11
 xlrd==1.1.0