diff --git a/requirements.txt b/requirements.txt
index 5fb3b95..5c2dbe2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ MarkupSafe==1.1.1
 requests==2.21.0
 six==1.12.0
 urllib3==1.24.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3