diff --git a/cluster/apps/monitoring/kube-prometheus-stack/helm-release.yaml b/cluster/apps/monitoring/kube-prometheus-stack/helm-release.yaml
index a6a952491..1174797cd 100644
--- a/cluster/apps/monitoring/kube-prometheus-stack/helm-release.yaml
+++ b/cluster/apps/monitoring/kube-prometheus-stack/helm-release.yaml
@@ -334,3 +334,13 @@ spec:
                 target_label: kubernetes_namespace
               - source_labels: [__meta_kubernetes_service_name]
                 target_label: kubernetes_name
+        affinity:
+          podAntiAffinity:
+            requiredDuringSchedulingIgnoredDuringExecution:
+            - labelSelector:
+                matchExpressions:
+                - key: app
+                  operator: In
+                  values:
+                  - prometheus
+              topologyKey: "kubernetes.io/hostname"
\ No newline at end of file