diff --git a/requirements.txt b/requirements.txt
index bde25e3..91feb8f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Flask==0.12.2
 Jinja2==2.9.6
 MarkupSafe==1.0
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 argparse==1.2.1
 chardet==2.0.1
 click==6.7