diff --git a/requirements.txt b/requirements.txt
index 5c6ba2d..56838e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,4 +13,4 @@ pytz==2018.5
 requests==2.22.0
 six==1.11.0
 urllib3==1.24.2
-Werkzeug==0.14.1
+Werkzeug==0.15.3