diff --git a/requirements.txt b/requirements.txt
index 29d9e0f..5858589 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,4 +19,4 @@ requests-aws4auth==0.9
 s3transfer==0.1.13
 six==1.11.0
 urllib3==1.24.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3