diff --git a/requirements.txt b/requirements.txt
index f6ee8c6..01468d4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,5 +18,5 @@ python-dateutil==2.8.0
 requests==2.21.0
 six==1.12.0               # via python-dateutil
 urllib3==1.24.1           # via requests
-werkzeug==0.15.2          # via flask
+werkzeug==0.15.3          # via flask
 wtforms==2.2.1            # via flask-wtf