diff --git a/flake.nix b/flake.nix
index 0c3a065..389e5ea 100644
--- a/flake.nix
+++ b/flake.nix
@@ -114,6 +114,8 @@
             persistent = true;
         };
 
+        nix.optimise.automatic = true;
+
         nix.settings.experimental-features = [
           "nix-command"
           "flakes"