diff --git a/mix.exs b/mix.exs
index 813a164..f7d2b3f 100644
--- a/mix.exs
+++ b/mix.exs
@@ -88,7 +88,7 @@ defmodule PrimaAuth0Ex.MixProject do
       ],
       main: "readme",
       source_url: @source_url,
-      source_ref: "v#{@version}",
+      source_ref: @version,
       formatters: ["html"]
     ]
   end