diff --git a/flake.nix b/flake.nix
index 617bad7..2658fcf 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,7 +12,7 @@
       packages = forAllSystems (system:
         let pkgs = nixpkgs.legacyPackages.${system}; in
         rec {
-          tracker = pkgs.buildGoModule {
+          tracker = (pkgs.buildGoModule.override { go = pkgs.go_1_27; }) {
             pname = "tracker";
             version = "0.1.0";
             src = self;