diff --git a/lib/system.nix b/lib/system.nix
index 8c413ed..aa3debc 100644
--- a/lib/system.nix
+++ b/lib/system.nix
@@ -20,6 +20,8 @@
                                     ./config/custom-build-vm.nix
                                 ];
 
+                                system.stateVersion = "23.11";
+
                                 virtualisation =
                                     let
                                         vmConfig = {