diff --git a/home/xin/calcite.nix b/home/xin/calcite.nix
index 9ba1359..aa4402c 100644
--- a/home/xin/calcite.nix
+++ b/home/xin/calcite.nix
@@ -10,6 +10,8 @@
   home.homeDirectory = "/home/xin";
   home.stateVersion = "23.05";
 
+  nix.package = pkgs.nixVersions.latest;
+
   # Let Home Manager install and manage itself.
   programs.home-manager.enable = true;