diff --git a/flake.nix b/flake.nix
index bf69c47..42c0cea 100644
--- a/flake.nix
+++ b/flake.nix
@@ -46,6 +46,8 @@
           })
           .mkDerivation;
 
+        app-template = lib.app-template;
+
         inherit mkCharts;
         mkChartsWithNixhelm = src: nh:
           pkgs.lib.attrsets.recursiveUpdate