diff --git a/requirements.txt b/requirements.txt
index 56502e4..d4ebf53 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,5 +21,5 @@ requests==2.21.0
 six==1.12.0
 tornado==6.0.2
 urllib3==1.24.1
-Werkzeug==0.15.2
+Werkzeug==0.15.3
 wrapt==1.11.1