diff --git a/cmd/crane/cmd/mutate.go b/cmd/crane/cmd/mutate.go
index 2eb207423..9f7a3eaf1 100644
--- a/cmd/crane/cmd/mutate.go
+++ b/cmd/crane/cmd/mutate.go
@@ -38,6 +38,7 @@ func NewCmdMutate(options *[]crane.Option) *cobra.Command {
 	var newRepo string
 	var user string
 	var workdir string
+	var ports []string
 
 	mutateCmd := &cobra.Command{
 		Use:   "mutate",
@@ -120,6 +121,15 @@ func NewCmdMutate(options *[]crane.Option) *cobra.Command {
 				cfg.Config.WorkingDir = workdir
 			}
 
+			// Set ports
+			if len(ports) > 0 {
+				portMap := make(map[string]struct{})
+				for _, port := range ports {
+					portMap[port] = struct{}{}
+				}
+				cfg.Config.ExposedPorts = portMap
+			}
+
 			// Mutate and write image.
 			img, err = mutate.Config(img, cfg.Config)
 			if err != nil {
@@ -172,6 +182,7 @@ func NewCmdMutate(options *[]crane.Option) *cobra.Command {
 	mutateCmd.Flags().StringSliceVar(&newLayers, "append", []string{}, "Path to tarball to append to image")
 	mutateCmd.Flags().StringVarP(&user, "user", "u", "", "New user to set")
 	mutateCmd.Flags().StringVarP(&workdir, "workdir", "w", "", "New working dir to set")
+	mutateCmd.Flags().StringSliceVar(&ports, "exposed-ports", nil, "New ports to expose")
 	return mutateCmd
 }
 
diff --git a/cmd/crane/doc/crane_mutate.md b/cmd/crane/doc/crane_mutate.md
index 6c484279b..367410450 100644
--- a/cmd/crane/doc/crane_mutate.md
+++ b/cmd/crane/doc/crane_mutate.md
@@ -14,6 +14,7 @@ crane mutate [flags]
       --cmd strings                 New cmd to set
       --entrypoint strings          New entrypoint to set
   -e, --env keyToValue              New envvar to add
+      --exposed-ports strings       New ports to expose
   -h, --help                        help for mutate
   -l, --label stringToString        New labels to add (default [])
   -o, --output string               Path to new tarball of resulting image