diff --git a/group_vars/all/plain.yml b/group_vars/all/plain.yml
index af32dd4..619b968 100644
--- a/group_vars/all/plain.yml
+++ b/group_vars/all/plain.yml
@@ -214,3 +214,4 @@ k8s_basic_services:
 selfsigned_ca_private_key_passphrase: '{{ selfsigned_ca_private_key_passphrase_vault }}'
   
 prometheus_alert_diskspaceusage_warning: 85
+prometheus_alert_pg_replication_lag: 120
diff --git a/group_vars/stage_dev/plain.yml b/group_vars/stage_dev/plain.yml
index 3e3c5e9..fe03fcf 100644
--- a/group_vars/stage_dev/plain.yml
+++ b/group_vars/stage_dev/plain.yml
@@ -374,3 +374,5 @@ webdav_opentracing_jaeger_enabled: true
 webdav_opentracing_jaeger_http_sender_url: "http://{{ shared_service_kube_jaeger_collector_hostname }}/api/traces"
 connect_opentracing_jaeger_enabled: true
 connect_opentracing_jaeger_http_sender_url: "http://{{ shared_service_kube_jaeger_collector_hostname }}/api/traces"
+
+prometheus_alert_pg_replication_lag: 300
diff --git a/group_vars/stage_prodnso/plain.yml b/group_vars/stage_prodnso/plain.yml
index e834c30..e77dd67 100644
--- a/group_vars/stage_prodnso/plain.yml
+++ b/group_vars/stage_prodnso/plain.yml
@@ -367,3 +367,5 @@ management_oidc_client_secret: "{{ management_oidc_client_secret_vault }}"
 # https://git.dev-at.de/smardigo-hetzner/communication-keys/
 # push mirror: https://prodnso-gitea-01.smardigo.digital/gitea-admin/communication-keys/
 gpg_key_smardigo_automation__private: '{{ gpg_key_smardigo_automation__private__vault }}'
+
+prometheus_alert_pg_replication_lag: 60
diff --git a/templates/prometheus/config/prometheus/alert.rules.j2 b/templates/prometheus/config/prometheus/alert.rules.j2
index de69aa0..defac25 100644
--- a/templates/prometheus/config/prometheus/alert.rules.j2
+++ b/templates/prometheus/config/prometheus/alert.rules.j2
@@ -271,8 +271,8 @@ groups:
       description: "checks if postgres service is running.."
 
   - alert: postgres replication broken
-    expr: pg_replication_lag > 120 or absent(pg_replication_lag)
-    for: 1m
+    expr: pg_replication_lag > {{ prometheus_alert_pg_replication_lag }} or absent(pg_replication_lag)
+    for: 5m
     labels:
       severity: critical
     annotations: