diff --git a/upgrade_edge/Dockerfile b/upgrade_edge/Dockerfile
index 71c09de..3df3cbe 100644
--- a/upgrade_edge/Dockerfile
+++ b/upgrade_edge/Dockerfile
@@ -4,4 +4,4 @@ COPY upgrade_edge/upgrade_edge.sh /opt/upgrade_edge.sh
 
 RUN chmod +x /opt/upgrade_edge.sh
 
-CMD ["/opt/upgrade_edge.sh"]
\ No newline at end of file
+CMD ["/bin/sh", "/opt/upgrade_edge.sh"]