diff --git a/mix.exs b/mix.exs
index ed47e39..19de8ea 100644
--- a/mix.exs
+++ b/mix.exs
@@ -64,7 +64,7 @@ defmodule Cldr.Strftime.MixProject do
   defp package do
     [
       maintainers: ["Kip Cole"],
-      licenses: ["Apache 2.0"],
+      licenses: ["Apache-2.0"],
       links: links(),
       files: [
         "lib",