diff --git a/requirements.txt b/requirements.txt
index d3f669e..ba49911 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Flask==1.0
 Jinja2==2.11.3
 MarkupSafe==0.18
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 boto==2.36.0
 itsdangerous==0.23
 wsgiref==0.1.2