diff --git a/app.py b/app.py
index 8ab45a1..6d831b3 100644
--- a/app.py
+++ b/app.py
@@ -22,7 +22,7 @@ urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
 # Docker tab caches stale container IDs, so the footer is the reliable way
 # to confirm a `docker compose up -d --build` actually took effect.
 # Both are env-overridable if the deploy pipeline ever injects them.
-APP_VERSION = os.environ.get("APP_VERSION", "2.3.0")
+APP_VERSION = os.environ.get("APP_VERSION", "2.3.1")
 APP_VERSION_DATE = os.environ.get("APP_VERSION_DATE", "2026-09-05")
 
 # Must point at a path that survives `docker compose up --build` — the