diff --git a/modules/system/nix.nix b/modules/system/nix.nix
index 92d34a72..f549d468 100644
--- a/modules/system/nix.nix
+++ b/modules/system/nix.nix
@@ -127,6 +127,8 @@ inputs:
         secrets."github/token" = {};
       };
     })
+    # build failed on aarch64
+    (inputs.lib.mkIf (inputs.config.nixos.model.arch == "aarch64") { nix.package = inputs.pkgs.nixVersions.nix_2_29; })
     # c++ include path
     # environment.pathsToLink = [ "/include" ];
     # environment.variables.CPATH = "/run/current-system/sw/include";