diff --git a/roles/prometheus.nix b/roles/prometheus.nix
index e69de29..f1601c7 100644
--- a/roles/prometheus.nix
+++ b/roles/prometheus.nix
@@ -0,0 +1,6 @@
+{
+  services.prometheus.exporters.node = {
+    enable = true;
+    enabledCollectors = [ "systemd" ];
+  };
+}
diff --git a/roles/restic.nix b/roles/restic.nix
index c27f5e9..5db0764 100644
--- a/roles/restic.nix
+++ b/roles/restic.nix
@@ -22,6 +22,7 @@
     '';
     timerConfig.OnCalendar = "hourly";
     pruneOpts = [
+      "--keep-hourly 24"
       "--keep-daily 7"
       "--keep-weekly 5"
       "--keep-monthly 12"