diff --git a/provider/app.go b/provider/app.go
index f640018..fa1fd58 100644
--- a/provider/app.go
+++ b/provider/app.go
@@ -88,6 +88,7 @@ func appResource() *schema.Resource {
 				Type:        schema.TypeString,
 				Description: "The application to open the app in.",
 				Optional:    true,
+				ForceNew:    true,
 				Default:     "window",
 				ValidateFunc: func(i interface{}, s string) ([]string, []error) {
 					if s == "tab" || s == "window" || s == "slim-window" {