diff --git a/requirements.txt b/requirements.txt
index 1956d56..4636e1e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,3 +13,4 @@ toml==0.9.6
 urllib3==1.25.3
 flask-simple-csrf
 flask-babel
+Werkzeug==0.16.0