diff --git a/modules/nix-conf.nix b/modules/nix-conf.nix
index 9ac0f7f..25ee525 100644
--- a/modules/nix-conf.nix
+++ b/modules/nix-conf.nix
@@ -44,6 +44,7 @@ in
       package = pkgs.nixVersions.stable;
 
       settings = {
+        builders-use-substitutes = true;
         cores = 0; # Use all cores for builds
         download-buffer-size = 500 * 1024 * 1024;
         experimental-features = "nix-command flakes";