diff --git a/charts/postgres-cluster/Chart.yaml b/charts/postgres-cluster/Chart.yaml
index dd70089..66eb5ae 100644
--- a/charts/postgres-cluster/Chart.yaml
+++ b/charts/postgres-cluster/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v2
 name: postgres-cluster
-version: 7.1.3
+version: 7.1.4
 description: Cloudnative-pg Cluster
 keywords:
   - database
diff --git a/charts/postgres-cluster/README.md b/charts/postgres-cluster/README.md
index 9120d29..2417dff 100644
--- a/charts/postgres-cluster/README.md
+++ b/charts/postgres-cluster/README.md
@@ -1,6 +1,6 @@
 # postgres-cluster
 
-![Version: 7.1.3](https://img.shields.io/badge/Version-7.1.3-informational?style=flat-square) ![AppVersion: v1.28.0](https://img.shields.io/badge/AppVersion-v1.28.0-informational?style=flat-square)
+![Version: 7.1.4](https://img.shields.io/badge/Version-7.1.4-informational?style=flat-square) ![AppVersion: v1.28.0](https://img.shields.io/badge/AppVersion-v1.28.0-informational?style=flat-square)
 
 Cloudnative-pg Cluster
 
diff --git a/charts/postgres-cluster/prometheus_rules/cluster-pg_replication-warning.yaml b/charts/postgres-cluster/prometheus_rules/cluster-pg_replication-warning.yaml
index 0b415cb..e673f12 100644
--- a/charts/postgres-cluster/prometheus_rules/cluster-pg_replication-warning.yaml
+++ b/charts/postgres-cluster/prometheus_rules/cluster-pg_replication-warning.yaml
@@ -6,7 +6,7 @@ annotations:
   description: |-
     Standby is lagging behind by over 300 seconds (5 minutes)
 expr: |
-  cnpg_pg_replication_lag > 300
+  cnpg_pg_replication_lag{namespace="{{ .namespace }}"} > 300
 for: 1m
 labels:
   severity: warning