diff --git a/charts/postgres-cluster/Chart.yaml b/charts/postgres-cluster/Chart.yaml
index 90c9919..d33b113 100644
--- a/charts/postgres-cluster/Chart.yaml
+++ b/charts/postgres-cluster/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v2
 name: postgres-cluster
-version: 4.1.0
+version: 4.1.1
 description: Chart for cloudnative-pg cluster
 keywords:
   - database
diff --git a/charts/postgres-cluster/README.md b/charts/postgres-cluster/README.md
index 79f1518..ae99687 100644
--- a/charts/postgres-cluster/README.md
+++ b/charts/postgres-cluster/README.md
@@ -1,6 +1,6 @@
 # postgres-cluster
 
-![Version: 4.1.0](https://img.shields.io/badge/Version-4.1.0-informational?style=flat-square) ![AppVersion: v1.25.0](https://img.shields.io/badge/AppVersion-v1.25.0-informational?style=flat-square)
+![Version: 4.1.1](https://img.shields.io/badge/Version-4.1.1-informational?style=flat-square) ![AppVersion: v1.25.0](https://img.shields.io/badge/AppVersion-v1.25.0-informational?style=flat-square)
 
 Chart for cloudnative-pg cluster
 
diff --git a/charts/postgres-cluster/templates/prometheus-rule.yaml b/charts/postgres-cluster/templates/prometheus-rule.yaml
index 3c1f834..fee857d 100644
--- a/charts/postgres-cluster/templates/prometheus-rule.yaml
+++ b/charts/postgres-cluster/templates/prometheus-rule.yaml
@@ -14,10 +14,10 @@ spec:
     - name: cloudnative-pg/{{ include "cluster.name" . }}
       rules:
         {{- $dict := dict "excludeRules" .Values.cluster.monitoring.prometheusRule.excludeRules -}}
-        {{- $_ := set $dict "value"       "{{ $value }}" -}}
+        {{- $_ := set $dict "value"       "{{`{{`}} $value {{`}}`}}" -}}
         {{- $_ := set $dict "namespace"   .Release.Namespace -}}
         {{- $_ := set $dict "cluster"     (printf "%s-cluster" (include "cluster.name" .) ) -}}
-        {{- $_ := set $dict "labels"      (dict "job" "{{ $labels.job }}" "node" "{{ $labels.node }}" "pod" "{{ $labels.pod }}") -}}
+        {{- $_ := set $dict "labels"      (dict "job" "{{`{{`}} $labels.job {{`}}`}}" "node" "{{`{{`}} $labels.node {{`}}`}}" "pod" "{{`{{`}} $labels.pod {{`}}`}}") -}}
         {{- $_ := set $dict "podSelector" (printf "%s-cluster-([1-9][0-9]*)$" (include "cluster.name" .) ) -}}
         {{- $_ := set $dict "Values"      .Values -}}
         {{- $_ := set $dict "Template"    .Template -}}
@@ -32,7 +32,7 @@ spec:
       rules:
         - alert: LongRunningTransaction
           annotations:
-            description: Pod {{ $labels.pod }} is taking more than 5 minutes (300 seconds) for a query.
+            description: Pod {{`{{`}} $labels.pod {{`}}`}} is taking more than 5 minutes (300 seconds) for a query.
             summary: A query is taking longer than 5 minutes.
           expr: |-
             cnpg_backends_max_tx_duration_seconds > 300
@@ -41,7 +41,7 @@ spec:
             severity: warning
         - alert: BackendsWaiting
           annotations:
-            description: Pod {{ $labels.pod  }} has been waiting for longer than 5 minutes
+            description: Pod {{`{{`}} $labels.pod {{`}}`}} has been waiting for longer than 5 minutes
             summary: If a backend is waiting for longer than 5 minutes
           expr: |-
             cnpg_backends_waiting_total > 300
@@ -50,7 +50,7 @@ spec:
             severity: warning
         - alert: PGDatabaseXidAge
           annotations:
-            description: Over 300,000,000 transactions from frozen xid on pod {{ $labels.pod  }}
+            description: Over 300,000,000 transactions from frozen xid on pod {{`{{`}} $labels.pod {{`}}`}}
             summary: Number of transactions from the frozen XID to the current one
           expr: |-
             cnpg_pg_database_xid_age > 300000000
@@ -68,7 +68,7 @@ spec:
             severity: warning
         - alert: LastFailedArchiveTime
           annotations:
-            description: Archiving failed for {{ $labels.pod }}
+            description: Archiving failed for {{`{{`}} $labels.pod {{`}}`}}
             summary: Checks the last time archiving failed. Will be < 0 when it has not failed.
           expr: |-
             (cnpg_pg_stat_archiver_last_failed_time - cnpg_pg_stat_archiver_last_archived_time) > 1
@@ -77,7 +77,7 @@ spec:
             severity: warning
         - alert: DatabaseDeadlockConflicts
           annotations:
-            description: There are over 10 deadlock conflicts in {{ $labels.pod }}
+            description: There are over 10 deadlock conflicts in {{`{{`}} $labels.pod {{`}}`}}
             summary: Checks the number of database conflicts
           expr: |-
             cnpg_pg_stat_database_deadlocks > 10
@@ -86,7 +86,7 @@ spec:
             severity: warning
         - alert: ReplicaFailingReplication
           annotations:
-            description: Replica {{ $labels.pod }} is failing to replicate
+            description: Replica {{`{{`}} $labels.pod {{`}}`}} is failing to replicate
             summary: Checks if the replica is failing to replicate
           expr: |-
             cnpg_pg_replication_in_recovery > cnpg_pg_replication_is_wal_receiver_up