diff --git a/services/monitoring/prometheus.nix b/services/monitoring/prometheus.nix
index f948163..aaab3e1 100644
--- a/services/monitoring/prometheus.nix
+++ b/services/monitoring/prometheus.nix
@@ -11,7 +11,7 @@
           receiver = "webhook_natstonotify";
           group_wait = "30s";
           group_interval = "5m";
-          repeat_interval = "12h";
+          repeat_interval = "1h";
           group_by = [ "alertname" ];
         };
         receivers = [
@@ -140,8 +140,8 @@
           - name: nix_cache_rules
             rules:
               - alert: build-flakes_service_failed
-                expr: node_systemd_unit_state{instance="nix-cache01.home.2rjus.net:9100", name="build-flakes.service",state="failed"} == 1
-                for: 5m
+                expr: node_systemd_unit_state{instance="nix-cache01.home.2rjus.net:9100", name="build-flakes.service", state="failed"} == 1
+                for: 0m
                 labels:
                   severity: critical
                 annotations: