diff --git a/infrastructures/argo-events/base/configmap.yaml b/infrastructures/argo-events/base/configmap.yaml
index 3bfa197..2089d17 100644
--- a/infrastructures/argo-events/base/configmap.yaml
+++ b/infrastructures/argo-events/base/configmap.yaml
@@ -22,7 +22,7 @@ data:
           maxMsgs: 50000
           maxAge: 168h
           maxBytes: -1
-          replicas: 2
+          replicas: 3
           duplicates: 300s
         versions:
           - version: latest
diff --git a/infrastructures/argo-events/env/k3s-cluster/examples/eventbus.yaml b/infrastructures/argo-events/env/k3s-cluster/examples/eventbus.yaml
index 2ca990c..55304d1 100644
--- a/infrastructures/argo-events/env/k3s-cluster/examples/eventbus.yaml
+++ b/infrastructures/argo-events/env/k3s-cluster/examples/eventbus.yaml
@@ -6,7 +6,7 @@ spec:
   nats:
     native:
       # Optional, defaults to 3. If it is < 3, set it to 3, that is the minimal requirement.
-      replicas: 2
+      replicas: 3
       # Optional, authen strategy, "none" or "token", defaults to "none"
       auth: token
 #      containerTemplate:
diff --git a/infrastructures/prometheus-exporters/env/k3s-cluster/node-exporter.yaml b/infrastructures/prometheus-exporters/env/k3s-cluster/node-exporter.yaml
index 7f3354e..39885ef 100644
--- a/infrastructures/prometheus-exporters/env/k3s-cluster/node-exporter.yaml
+++ b/infrastructures/prometheus-exporters/env/k3s-cluster/node-exporter.yaml
@@ -6,7 +6,7 @@ metadata:
   labels:
     app: prometheus-node-exporter
 spec:
-  replicas: 2
+  replicas: 6
   selector:
     matchLabels:
       app: prometheus-node-exporter