diff --git a/terraform/monitoring.tf b/terraform/monitoring.tf
index af4936c..8cb6388 100644
--- a/terraform/monitoring.tf
+++ b/terraform/monitoring.tf
@@ -25,14 +25,14 @@ resource "google_monitoring_alert_policy" "forgejo_down" {
   combiner     = "OR"
 
   conditions {
-    display_name = "Uptime check failing for 5+ min"
+    display_name = "Uptime check failing for 15+ min"
     condition_threshold {
       filter = join(" AND ", [
         "resource.type=\"uptime_url\"",
         "metric.type=\"monitoring.googleapis.com/uptime_check/check_passed\"",
         "metric.label.\"check_id\"=\"${google_monitoring_uptime_check_config.forgejo.uptime_check_id}\"",
       ])
-      duration        = "300s"
+      duration        = "900s"
       comparison      = "COMPARISON_GT"
       threshold_value = 1