diff --git a/requirements.txt b/requirements.txt
index 44cf176..53dc7c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,4 +25,4 @@ requests==2.20.0
 rsa==4.0
 six==1.11.0
 urllib3==1.24.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3