diff --git a/docker/animal/first-attempt/app1/requirements.txt b/docker/animal/first-attempt/app1/requirements.txt
index 2e230ee..0433ca6 100644
--- a/docker/animal/first-attempt/app1/requirements.txt
+++ b/docker/animal/first-attempt/app1/requirements.txt
@@ -3,4 +3,4 @@ Flask==1.1.2
 itsdangerous==1.1.0
 Jinja2==2.11.3
 MarkupSafe==1.1.1
-Werkzeug==1.0.1
+Werkzeug==3.1.4