diff --git a/requirements-lock.txt b/requirements-lock.txt
index 74f5c5a..1ec0599 100644
--- a/requirements-lock.txt
+++ b/requirements-lock.txt
@@ -13,4 +13,4 @@ itsdangerous==2.2.0       # via flask
 jinja2==3.1.6             # via flask
 markupsafe==3.0.3         # via flask, jinja2, werkzeug
 pillow==12.3.0            # via -r requirements.txt, fpdf2
-werkzeug==3.1.8           # via flask
+werkzeug==3.1.9           # via flask