diff --git a/requirements.txt b/requirements.txt
index 38ace2a..69cb0f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,4 +26,4 @@ requests==2.20.0
 six==1.11.0
 urllib3==1.24
 validate-email==1.3
-Werkzeug==0.14.1
+Werkzeug==0.15.3