diff --git a/home/xin/common/default.nix b/home/xin/common/default.nix
index 44cb225..6eb0426 100644
--- a/home/xin/common/default.nix
+++ b/home/xin/common/default.nix
@@ -19,6 +19,8 @@
 
     inetutils
   ];
+
+  nix.package = pkgs.nixVersions.latest;
   nix.extraOptions = ''
     extra-substituters = https://nix-community.cachix.org
     extra-trusted-public-keys = nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=