diff --git a/config/profiles/builder.nix b/config/profiles/builder.nix
index 0575934..b4da590 100644
--- a/config/profiles/builder.nix
+++ b/config/profiles/builder.nix
@@ -6,8 +6,8 @@
     #system-features = [ "nixos-test" "benchmark" "big-parallel" "kvm" ] ++ lib.optionals pkgs.hostPlatform.isx86_64 [ "gccarch-x86-64-v3" ];
   };
   nix.extraOptions = ''
-    min-free = ${builtins.toString (4096 * 1024 * 1024)}
-    max-free = ${builtins.toString (8192 * 1024 * 1024)}
+    min-free = ${builtins.toString (16384 * 1024 * 1024)}
+    max-free = ${builtins.toString (32768 * 1024 * 1024)}
     max-substitution-jobs = 20
     max-silent-time = 14400
   '';