diff --git a/default.nix b/default.nix
index ecc822b00..288091fd3 100644
--- a/default.nix
+++ b/default.nix
@@ -129,6 +129,8 @@ mixRelease rec {
     mix phx.digest --no-deps-check
   '';
 
+  passthru.elixirPackage = beamPackages.elixir;
+
   meta = with lib; {
     description = "Mobilizon is an online tool to help manage your events, your profiles and your groups";
     homepage = "https://joinmobilizon.org/";