diff --git a/docker/resource_docker_secret.go b/docker/resource_docker_secret.go
index b5bf8de9..14e4960a 100644
--- a/docker/resource_docker_secret.go
+++ b/docker/resource_docker_secret.go
@@ -35,6 +35,7 @@ func resourceDockerSecret() *schema.Resource {
 
 			"labels": {
 				Type:     schema.TypeSet,
+				Optional: true,
 				ForceNew: true,
 				Elem:     labelSchema,
 			},