diff --git a/containers/server-n0/git.nix b/containers/server-n0/git.nix
index 07786df..b7ac5ce 100644
--- a/containers/server-n0/git.nix
+++ b/containers/server-n0/git.nix
@@ -163,10 +163,9 @@ in
             trusted-public-keys = [ "microvm.cachix.org-1:oXnBc6hRE3eX5rSYdRyMYXnfzcCxC7yKPTbZXALsqys=" ];
           };
 
-          nix.gc = {
-            automatic = true;
-            dates = "daily";
-            options = "--delete-older-than 14d";
+          nix.settings = {
+            min-free = 5 * 1024 * 1024 * 1024;
+            max-free = 10 * 1024 * 1024 * 1024;
           };
           # nix.optimise.automatic = true; - doesn't work with microvm.writableStoreOverlay