diff --git a/requirements.txt b/requirements.txt
index 99b6ee5..cc625fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,5 +18,5 @@ six==1.10.0
 telepot==10.1
 urllib3==1.19.1
 virtualenv==15.0.3
-Werkzeug==0.11.11
+Werkzeug==0.15.3
 yahoo-finance==1.3.2