diff --git a/requirements.txt b/requirements.txt
index 63c007d..a0bde4e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,5 +14,5 @@ pytz==2015.7
 requests==2.9.1
 six==1.10.0
 urllib3==1.14
-Werkzeug==0.11.4
+Werkzeug==0.15.3
 wheel==0.24.0