diff --git a/requirements.txt b/requirements.txt
index 7f25d35..673e4ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Jinja2==2.8
 MarkupSafe==0.23
 PyYAML==3.12
 Unidecode==0.04.19
-Werkzeug==0.11.11
+Werkzeug==0.15.3
 argparse==1.2.1
 base58==0.2.4
 boto3==1.4.1