diff --git a/requirements.txt b/requirements.txt
index e8f5f27..856a082 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,4 @@ Jinja2==2.11.3
 MarkupSafe==1.0
 requests==2.18.4
 urllib3==1.22
-Werkzeug==0.12.2
+Werkzeug==0.15.3