diff --git a/Heroku_main/requirements.txt b/Heroku_main/requirements.txt
index b61379e..978d307 100644
--- a/Heroku_main/requirements.txt
+++ b/Heroku_main/requirements.txt
@@ -4,4 +4,4 @@ gunicorn==19.9.0
 itsdangerous==1.1.0
 Jinja2==2.10.1
 MarkupSafe==1.1.1
-Werkzeug==0.15.2
\ No newline at end of file
+Werkzeug==0.15.3
\ No newline at end of file