diff --git a/charts/postgres-cluster/Chart.yaml b/charts/postgres-cluster/Chart.yaml
index 3ad8eef..b3d86ed 100644
--- a/charts/postgres-cluster/Chart.yaml
+++ b/charts/postgres-cluster/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v2
 name: postgres-cluster
-version: 6.11.0
+version: 6.12.0
 description: Cloudnative-pg Cluster
 keywords:
   - database
diff --git a/charts/postgres-cluster/README.md b/charts/postgres-cluster/README.md
index 0084fad..3d1918a 100644
--- a/charts/postgres-cluster/README.md
+++ b/charts/postgres-cluster/README.md
@@ -1,6 +1,6 @@
 # postgres-cluster
 
-![Version: 6.11.0](https://img.shields.io/badge/Version-6.11.0-informational?style=flat-square) ![AppVersion: v1.27.0](https://img.shields.io/badge/AppVersion-v1.27.0-informational?style=flat-square)
+![Version: 6.12.0](https://img.shields.io/badge/Version-6.12.0-informational?style=flat-square) ![AppVersion: v1.27.0](https://img.shields.io/badge/AppVersion-v1.27.0-informational?style=flat-square)
 
 Cloudnative-pg Cluster
 
diff --git a/charts/postgres-cluster/prometheus_rules/cluster-last_failed_archive_time-warning.yaml b/charts/postgres-cluster/prometheus_rules/cluster-last_failed_archive_time-warning.yaml
index c8e2d22..c26f10f 100644
--- a/charts/postgres-cluster/prometheus_rules/cluster-last_failed_archive_time-warning.yaml
+++ b/charts/postgres-cluster/prometheus_rules/cluster-last_failed_archive_time-warning.yaml
@@ -6,7 +6,7 @@ annotations:
   description: |-
     Archiving failed for {{`{{`}} $labels.pod {{`}}`}}
 expr: |
-  (cnpg_pg_stat_archiver_last_failed_time - cnpg_pg_stat_archiver_last_archived_time) > 1
+  (cnpg_pg_stat_archiver_last_failed_time - cnpg_pg_stat_archiver_last_archived_time) > 2
 for: 1m
 labels:
   severity: warning