diff --git a/requirements.txt b/requirements.txt
index 20994c5..e0c6166 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,4 @@ Font-Awesome-Flask
 flask-resize
 # 'setuptools' because of a stupid problem with `flask-resize.` https://github.com/jacobsvante/Flask-Resize/issues/27
 setuptools
+werkzeug>=3.1.4 # not directly required, pinned by Snyk to avoid a vulnerability