diff --git a/iap/app_engine_app/requirements.txt b/iap/app_engine_app/requirements.txt
index 6857fdf3175..d1be1106eab 100644
--- a/iap/app_engine_app/requirements.txt
+++ b/iap/app_engine_app/requirements.txt
@@ -1,2 +1,2 @@
 Flask==3.0.3
-Werkzeug==3.1.4
+Werkzeug==3.1.6
diff --git a/iap/requirements.txt b/iap/requirements.txt
index 850043f7bd1..bd0254fb7c7 100644
--- a/iap/requirements.txt
+++ b/iap/requirements.txt
@@ -4,6 +4,6 @@ google-auth==2.38.0
 gunicorn==23.0.0
 requests==2.32.4
 requests-toolbelt==1.0.0
-Werkzeug==3.1.4
+Werkzeug==3.1.6
 google-cloud-iam~=2.17.0
 PyJWT~=2.10.1
\ No newline at end of file