diff --git a/templates/machine/flash-installer/configuration.nix b/templates/machine/flash-installer/configuration.nix
index cdbab6247..dc05c2110 100644
--- a/templates/machine/flash-installer/configuration.nix
+++ b/templates/machine/flash-installer/configuration.nix
@@ -13,6 +13,8 @@
     clan-core.clanModules.iwd
   ];
 
+  clan.core.deployment.requireExplicitUpdate = true;
+
   nixpkgs.pkgs = inputs.nixpkgs.legacyPackages.x86_64-linux;
   system.stateVersion = config.system.nixos.release;
 }