diff --git a/requirements.txt b/requirements.txt
index 9f81f3d5..dfbfa810 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -153,7 +153,7 @@ urllib3==1.16
 uuid==1.30
 uWSGI==2.0.13.1
 vine==1.1.3
-Werkzeug==0.11.3
+Werkzeug==0.15.3
 WTForms==2.1
 xlrd==0.9.4
 XlsxWriter==0.9.3