diff --git a/requirements.txt b/requirements.txt
index 0d786c6..1dec701 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ Jinja2==2.10
 Markdown==3.0.1
 MarkupSafe==1.1.0
 PyMySQL==0.9.3
-Werkzeug==0.14.1
+Werkzeug==0.15.3