diff --git a/app.py b/app.py
index 93ccb4b..39e5973 100644
--- a/app.py
+++ b/app.py
@@ -49,7 +49,7 @@ for _d in (UPLOAD_DIR, OUTPUT_DIR, WORK_DIR):
MAX_UPLOAD_MB = 400
# Semantic version exposed by /health so the UI can show "vX.Y.Z" in the footer.
-APP_VERSION = "2.1.0"
+APP_VERSION = "2.1.1"
# req 3 (health): supported formats advertised to clients. Additive key — the
# existing /health contract asserts only status + max_upload_mb.
diff --git a/templates/index.html b/templates/index.html
index 29c9bfe..7ba2b1d 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -406,7 +406,7 @@