diff --git a/requirements.txt b/requirements.txt
index 3155855..31d62a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,5 +63,5 @@ uritemplate==3.0.0
 urllib3==1.22
 vine==1.1.4
 WebOb==1.7.4
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 WTForms==2.1