diff --git a/configs/nixos/graphical-installer/default.nix b/configs/nixos/graphical-installer/default.nix
index a173944d..a342a861 100644
--- a/configs/nixos/graphical-installer/default.nix
+++ b/configs/nixos/graphical-installer/default.nix
@@ -16,8 +16,12 @@
       source = ../..;
       target = "/etc/nixos";
     }];
+
+    squashFsCompression = "zstd -Xcompression-level 10";
   };
 
+  boot.kernelPackages = pkgs.linuxPackages_6_6;
+
   # Use my desktop environment configuration without the apps just to make the
   # closure size smaller.
   workflows.workflows.a-happy-gnome = {
@@ -38,4 +42,6 @@
       user = "nixos";
     };
   };
+
+  system.stateVersion = "23.11";
 }