diff --git a/mix.exs b/mix.exs
index 5bd0817..619cdf5 100644
--- a/mix.exs
+++ b/mix.exs
@@ -30,7 +30,7 @@ defmodule Cldr.Calendars.Persian.MixProject do
   defp package do
     [
       maintainers: ["Kip Cole"],
-      licenses: ["Apache 2.0"],
+      licenses: ["Apache-2.0"],
       logo: "logo.png",
       links: links(),
       files: [