diff --git a/configuration.nix b/configuration.nix
index 44d937d..1bcca36 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -37,7 +37,7 @@
     gc = {
       automatic = true;
       options = "--delete-older-than 7d";
-      dates = "14:30";
+      dates = "15:00";
     };
     extraOptions = ''
       keep-outputs = true