diff --git a/pkg/karmadactl/cordon.go b/pkg/karmadactl/cordon.go
index a72e32d20..c7f2fe610 100644
--- a/pkg/karmadactl/cordon.go
+++ b/pkg/karmadactl/cordon.go
@@ -99,6 +99,7 @@ func NewCmdUncordon(f util.Factory, parentCommand string) *cobra.Command {
 	}
 
 	flags := cmd.Flags()
+	flags.BoolVar(&opts.DryRun, "dry-run", false, "Run the command in dry-run mode, without making any server requests.")
 	flags.StringVar(defaultConfigFlags.KubeConfig, "kubeconfig", *defaultConfigFlags.KubeConfig, "Path to the kubeconfig file to use for CLI requests.")
 	flags.StringVar(defaultConfigFlags.Context, "karmada-context", *defaultConfigFlags.Context, "The name of the kubeconfig context to use")
 	flags.StringVarP(defaultConfigFlags.Namespace, "namespace", "n", *defaultConfigFlags.Namespace, "If present, the namespace scope for this CLI request")