diff --git a/common/modules/nix-settings.nix b/common/modules/nix-settings.nix
index 741d6e2..de59442 100644
--- a/common/modules/nix-settings.nix
+++ b/common/modules/nix-settings.nix
@@ -9,8 +9,9 @@
 
     gc = {
       automatic = true;
-      dates = "weekly";
-      options = "--delete-older-than 3d";
+      dates = "daily";
+      options = "--delete-older-than 7d";
+      randomizedDelaySec = "30m";
     };
 
     settings.auto-optimise-store = true;