diff --git a/requirements.txt b/requirements.txt
index 934b4cb..b8bf57c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,4 +15,4 @@ pymongo==3.5.1
 requests==2.18.4
 requests-oauthlib==0.8.0
 urllib3==1.22
-Werkzeug==0.12.2
+Werkzeug==0.15.3