diff --git a/package.nix b/package.nix
index 424f77d..bfe0e94 100644
--- a/package.nix
+++ b/package.nix
@@ -1,6 +1,6 @@
-{ pkgs, ... }:
+{ perSystem, ... }:
 
-pkgs.buildGoApplication {
+perSystem.gomod2nix.buildGoApplication {
   pname = "calapi";
   version = "0.0.1";
   src = ./src;