diff --git a/requirements.txt b/requirements.txt
index d0b359f..3f40616 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,4 +13,4 @@ py==1.6.0
 pytest==3.8.2
 scandir==1.9.0
 six==1.11.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3