diff --git a/configuration/common/nix.nix b/configuration/common/nix.nix
index ef92e63..8ae4666 100644
--- a/configuration/common/nix.nix
+++ b/configuration/common/nix.nix
@@ -62,6 +62,8 @@
     };
   };
 
+  nix.package = pkgs.nixVersions.nix_2_18;
+
   documentation.doc.enable = false;
 
   environment.systemPackages = with pkgs; [