diff --git a/charts/pvc-autoresizer/README.md b/charts/pvc-autoresizer/README.md
index 72878e20..4387682c 100644
--- a/charts/pvc-autoresizer/README.md
+++ b/charts/pvc-autoresizer/README.md
@@ -32,6 +32,7 @@ helm upgrade --create-namespace --namespace pvc-autoresizer -i pvc-autoresizer -
 | Key | Type | Default | Description |
 |-----|------|---------|-------------|
 | cert-manager.enabled | bool | `false` | Install cert-manager together. # ref: https://cert-manager.io/docs/installation/helm/#installing-with-helm |
+| controller.affinity | object | `{}` | Affinity for controller deployment. |
 | controller.annotations | object | `{}` | Annotations to be added to controller deployment. |
 | controller.args.additionalArgs | list | `[]` | Specify additional args. |
 | controller.args.interval | string | `"10s"` | Specify interval to monitor pvc capacity. Used as "--interval" option |
@@ -42,6 +43,7 @@ helm upgrade --create-namespace --namespace pvc-autoresizer -i pvc-autoresizer -
 | controller.podAnnotations | object | `{}` | Annotations to be added to controller pods. |
 | controller.podLabels | object | `{}` | Pod labels to be added to controller pods. |
 | controller.podSecurityContext | object | `{}` | Security Context to be applied to the controller pods. |
+| controller.priorityClassName | string | `""` | Priority class name to be applied to the controller pods. |
 | controller.replicas | int | `1` | Specify the number of replicas of the controller Pod. |
 | controller.resources | object | `{"requests":{"cpu":"100m","memory":"20Mi"}}` | Specify resources. |
 | controller.securityContext | object | `{}` | Security Context to be applied to the controller container within controller pods. |
diff --git a/charts/pvc-autoresizer/templates/controller/deployment.yaml b/charts/pvc-autoresizer/templates/controller/deployment.yaml
index a875e680..1c58be5b 100644
--- a/charts/pvc-autoresizer/templates/controller/deployment.yaml
+++ b/charts/pvc-autoresizer/templates/controller/deployment.yaml
@@ -98,3 +98,10 @@ spec:
       {{- end }}
       securityContext:
         {{- toYaml .Values.controller.podSecurityContext | nindent 8 }}
+    {{- with .Values.controller.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.controller.priorityClassName }}
+      priorityClassName: {{ . }}
+    {{- end }}
diff --git a/charts/pvc-autoresizer/values.yaml b/charts/pvc-autoresizer/values.yaml
index fd748731..265b5560 100644
--- a/charts/pvc-autoresizer/values.yaml
+++ b/charts/pvc-autoresizer/values.yaml
@@ -72,6 +72,33 @@ controller:
   # controller.nodeSelector -- Map of key-value pairs for scheduling pods on specific nodes.
   nodeSelector: {}
 
+  # controller.affinity -- Affinity for controller deployment.
+  affinity: {}
+    # podAffinity:
+    #   requiredDuringSchedulingIgnoredDuringExecution:
+    #   - labelSelector:
+    #       matchExpressions:
+    #       - key: app.kubernetes.io/name
+    #         operator: In
+    #         values:
+    #         - pvc-autoresizer
+    #     topologyKey: topology.kubernetes.io/zone
+    # podAntiAffinity:
+    #   preferredDuringSchedulingIgnoredDuringExecution:
+    #   - weight: 100
+    #     podAffinityTerm:
+    #       labelSelector:
+    #         matchExpressions:
+    #         - key: app.kubernetes.io/name
+    #           operator: In
+    #           values:
+    #           - pvc-autoresizer
+    #       topologyKey: topology.kubernetes.io/zone
+
+  # controller.priorityClassName -- Priority class name to be applied to the controller pods.
+  priorityClassName: ""
+  # priorityClassName: system-cluster-critical
+
 # -- deploy a PodMonitor. This is not tested in CI so make sure to test it yourself.
 podMonitor:
   # podMonitor.enabled -- If true, creates a Prometheus Operator PodMonitor.