diff --git a/requirements.txt b/requirements.txt
index c2c5433..82b3b1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ Jinja2==2.9.6
 MarkupSafe==1.0
 requests==2.18.3
 urllib3==1.22
-Werkzeug==0.12.2
+Werkzeug==0.15.3