diff --git a/Dockerfile b/Dockerfile
index eaea200..ddb5085 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,4 +8,4 @@ RUN pip3 install -r requirements.txt
 ADD --chown=user . /app
 VOLUME /data
 ENTRYPOINT [ "/app/commander.py"]
-CMD ["-s", "/data/store.pickle"]
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+CMD ["-s", "/data/store.db"]
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