diff --git a/Dockerfile b/Dockerfile
index d2da096..621fca2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ RUN apk update && apk add python3 dcron mariadb-client postgresql-client
 ADD . /restic-volume-backup
 WORKDIR /restic-volume-backup
 RUN pip3 install -U pip setuptools
-RUN python3 setup.py develop && pip3 install .
+RUN pip3 install -e .
 
 ENTRYPOINT []
 CMD ["./entrypoint.sh"]