diff --git a/services/monitoring/prometheus.nix b/services/monitoring/prometheus.nix
index aaab3e1..271b514 100644
--- a/services/monitoring/prometheus.nix
+++ b/services/monitoring/prometheus.nix
@@ -61,7 +61,7 @@
                   description: "Disk space is low on {{ $labels.instance }}. Please check."
               - alert: high_cpu_load
                 expr: max(node_load5{}) by (instance) > (count by (instance)(node_cpu_seconds_total{mode="idle"}) * 0.7)
-                for: 5m
+                for: 15m
                 labels:
                   severity: warning
                 annotations: