diff --git a/cmd/cloudshell_open/pack.go b/cmd/cloudshell_open/pack.go
index 39eb81da..4205907b 100644
--- a/cmd/cloudshell_open/pack.go
+++ b/cmd/cloudshell_open/pack.go
@@ -20,7 +20,7 @@ import (
 )
 
 func packBuild(dir, image, builderImage string) error {
-	cmd := exec.Command("pack", "build", "--quiet", "--builder", builderImage, "--path", dir, image)
+	cmd := exec.Command("pack", "build", "--quiet", "--builder", builderImage, "--path", dir, image, "--publish")
 	b, err := cmd.CombinedOutput()
 	if err != nil {
 		return fmt.Errorf("pack build failed: %v, output:\n%s", err, string(b))