diff --git a/helm/Chart.lock b/helm/Chart.lock
deleted file mode 100644
index ec10db3..0000000
--- a/helm/Chart.lock
+++ /dev/null
@@ -1,6 +0,0 @@
-dependencies:
-- name: microservice-chart
-  repository: https://pagopa.github.io/aks-microservice-chart-blueprint
-  version: 1.21.0
-digest: sha256:e3deccb7ac0b5d85af0c726f28316ebe7a3795cbf54522330c33474b0bae309a
-generated: "2022-10-06T17:44:35.49088+02:00"
diff --git a/helm/values-prod.yaml b/helm/values-prod.yaml
index 9a6734d..4b50eaf 100644
--- a/helm/values-prod.yaml
+++ b/helm/values-prod.yaml
@@ -128,6 +128,15 @@ microservice-chart:
                 operator: In
                 values:
                   - user
+    podAntiAffinity:
+      preferredDuringSchedulingIgnoredDuringExecution:
+        - weight: 100
+          podAffinityTerm:
+            labelSelector:
+              matchLabels:
+                app.kubernetes.io/instance: pagopareceiptpdfhelpdesk
+            namespaces: ["receipts"]
+            topologyKey: topology.kubernetes.io/zone
   canaryDelivery:
     create: false
     ingress: