diff --git a/requirements.txt b/requirements.txt
index f5c4cbc..1c701c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,4 +11,4 @@ PyMySQL==0.7.11
 requests==2.18.4
 SQLAlchemy==1.0.11
 urllib3==1.22
-Werkzeug==0.13
+Werkzeug==0.15.3