diff --git a/build/package/Dockerfile b/build/package/Dockerfile
index db3c2cd..0e6ad3c 100644
--- a/build/package/Dockerfile
+++ b/build/package/Dockerfile
@@ -1,4 +1,4 @@
 FROM alpine
-RUN apk update && apk add ca-certificates openssh-client sshpass rsync gzip libc6-compat && rm -r /var/cache/
+RUN apk update && apk add ca-certificates openssh-client sshpass rsync gzip libc6-compat bash && rm -r /var/cache/
 ADD mark2web /
 CMD ["/mark2web"]