diff --git a/Dockerfile b/Dockerfile
index bd6cf87..cf38975 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,6 +15,7 @@ ENV DOCKER_VERNEMQ_KUBERNETES_LABEL_SELECTOR="app=vernemq" \
     VERNEMQ_VERSION="2.1.1"
 COPY --chown=10000:10000 bin/vernemq.sh /usr/sbin/start_vernemq
 COPY --chown=10000:10000 bin/join_cluster.sh /usr/sbin/join_cluster
+RUN chmod +x /usr/sbin/start_vernemq /usr/sbin/join_cluster
 COPY --chown=10000:10000 files/vm.args /vernemq/etc/vm.args
 
 # Note that the following copies a binary package under EULA (requiring a paid subscription).