diff --git a/requirements.txt b/requirements.txt
index e6fbe44..cc9238c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ MarkupSafe==1.0
 requests==2.18.1
 SQLAlchemy==1.1.11
 urllib3==1.21.1
-Werkzeug==0.12.2
+Werkzeug==0.15.3