diff --git a/requirements.txt b/requirements.txt
index b7b15c9..acdd9b0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ MarkupSafe==1.0
 rehive==1.1.4
 requests==2.18.4
 urllib3==1.22
-Werkzeug==0.12.2
+Werkzeug==0.15.3