diff --git a/CHANGELOG.md b/CHANGELOG.md
index 782ec8aa..140d421a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Increase time to trigger `PromtailRequestsErrors` alert from 15 to 25m.
+
 ## [4.28.0] - 2024-12-02
 
 ### Added
diff --git a/helm/prometheus-rules/templates/platform/atlas/alerting-rules/promtail.rules.yml b/helm/prometheus-rules/templates/platform/atlas/alerting-rules/promtail.rules.yml
index 422a9c9b..7069c486 100644
--- a/helm/prometheus-rules/templates/platform/atlas/alerting-rules/promtail.rules.yml
+++ b/helm/prometheus-rules/templates/platform/atlas/alerting-rules/promtail.rules.yml
@@ -38,7 +38,7 @@ spec:
             opsrecipe: promtail/
           expr: |
             100 * (sum(rate(promtail_request_duration_seconds_count{status_code!~"2.."}[5m])) by (cluster_id, installation, provider, pipeline, namespace, job, route, instance) / sum(rate(promtail_request_duration_seconds_count[5m])) by (cluster_id, installation, provider, pipeline, namespace, job, route, instance)) > 10
-          for: 15m
+          for: 25m
           labels:
             area: platform
             severity: page