diff --git a/apps/sonarqube/env/k3s-cluster/values.yaml b/apps/sonarqube/env/k3s-cluster/values.yaml
index 30c7812..d0c3505 100644
--- a/apps/sonarqube/env/k3s-cluster/values.yaml
+++ b/apps/sonarqube/env/k3s-cluster/values.yaml
@@ -39,3 +39,5 @@ externalDatabase:
   host: "postgresql-primary.argocd.svc.cluster.local"
   user: "sonarqube_user"
   existingSecret: "sonarqube-secrets"
+nodeSelector:
+  kubernetes.io/hostname: k3s-cluster-node-3
diff --git a/infrastructures/prometheus-exporters/env/k3s-cluster/node-exporter.yaml b/infrastructures/prometheus-exporters/env/k3s-cluster/node-exporter.yaml
index d58f1eb..5caa367 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: 4
+  replicas: 5
   selector:
     matchLabels:
       app: prometheus-node-exporter
diff --git a/resources/app-volumes/env/k3s-cluster/templates/sonarqube-pv.yaml b/resources/app-volumes/env/k3s-cluster/templates/sonarqube-pv.yaml
index 1261600..0c8e249 100644
--- a/resources/app-volumes/env/k3s-cluster/templates/sonarqube-pv.yaml
+++ b/resources/app-volumes/env/k3s-cluster/templates/sonarqube-pv.yaml
@@ -31,4 +31,8 @@ spec:
             - key: kubernetes.io/os
               operator: In
               values:
-                - linux
\ No newline at end of file
+                - linux
+            - key: kubernetes.io/hostname
+              operator: In
+              values:
+                - k3s-cluster-node-3
\ No newline at end of file