diff --git a/Dockerfile b/Dockerfile
index ed23e5b..09119ce 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,6 +10,7 @@ ENV PYTHONUNBUFFERED=1 \
 # first, copy app/ afterwards) the installed distribution was empty and
 # the app only worked by accident of the working directory.
 COPY pyproject.toml ./
+COPY VERSION ./VERSION
 COPY app/ ./app/
 COPY static/ ./static/
 RUN pip install --no-cache-dir .
diff --git a/app/config.py b/app/config.py
index 1a42a32..675557b 100644
--- a/app/config.py
+++ b/app/config.py
@@ -181,7 +181,8 @@ from urllib.parse import urlparse
 
 BASE_DIR = Path(__file__).resolve().parent.parent
 
-APP_VERSION = "0.45.9"
+_version_file = next((Path(p) for p in ("/VERSION", BASE_DIR / "VERSION") if Path(p).exists()), None)
+APP_VERSION = _version_file.read_text().strip() if _version_file else "inconnue"
 
 
 def _env_bool(name: str, default: bool) -> bool: