diff --git a/Dockerfile b/Dockerfile
index cd340acf..4605d475 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -46,6 +46,8 @@ RUN [ ! -d "/datastore" ] && mkdir /datastore
 COPY --from=builder /dependencies /usr/local
 ENV PYTHONPATH=/usr/local
 
+EXPOSE 5000
+
 # The actual flask app
 COPY changedetectionio /app/changedetectionio
 # The eventlet server wrapper