diff --git a/requirements.txt b/requirements.txt
index 2a5e969..5910e09 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,4 +14,4 @@ requests==2.10.0
 six==1.10.0
 tornado==4.4.2
 urllib3==1.15.1
-Werkzeug==0.12.2
+Werkzeug==0.15.3