diff --git a/charts/argo-cd/Chart.yaml b/charts/argo-cd/Chart.yaml
index b480d0d1..6ee9ba90 100644
--- a/charts/argo-cd/Chart.yaml
+++ b/charts/argo-cd/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: v2.3.4
 description: A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 4.6.3
+version: 4.6.4
 home: https://github.com/argoproj/argo-helm
 icon: https://argo-cd.readthedocs.io/en/stable/assets/logo.png
 keywords:
@@ -21,4 +21,4 @@ dependencies:
     condition: redis-ha.enabled
 annotations:
   artifacthub.io/changes: |
-    - "[Added]: Add support for external issuers in server Certificate resource"
+    - "[Fixed]: Adjust api version of pod disruption budget by referring to k8s version"
diff --git a/charts/argo-cd/templates/_helpers.tpl b/charts/argo-cd/templates/_helpers.tpl
index 5bc4a49c..44af06dd 100644
--- a/charts/argo-cd/templates/_helpers.tpl
+++ b/charts/argo-cd/templates/_helpers.tpl
@@ -284,3 +284,14 @@ Create the name of the configmap to use
       key: redis-password
   {{- end }}
 {{- end -}}
+
+{{/*
+Return the appropriate apiVersion for pod disruption budget
+*/}}
+{{- define "argo-cd.podDisruptionBudget.apiVersion" -}}
+{{- if semverCompare "<1.21-0" (include "argo-cd.kubeVersion" $) -}}
+{{- print "policy/v1beta1" -}}
+{{- else -}}
+{{- print "policy/v1" -}}
+{{- end -}}
+{{- end -}}
diff --git a/charts/argo-cd/templates/argocd-application-controller/poddisruptionbudget.yaml b/charts/argo-cd/templates/argocd-application-controller/poddisruptionbudget.yaml
index f27e1d74..536294f1 100644
--- a/charts/argo-cd/templates/argocd-application-controller/poddisruptionbudget.yaml
+++ b/charts/argo-cd/templates/argocd-application-controller/poddisruptionbudget.yaml
@@ -1,5 +1,5 @@
 {{- if .Values.controller.pdb.enabled }}
-apiVersion: policy/v1beta1
+apiVersion: {{ include "argo-cd.podDisruptionBudget.apiVersion" . }}
 kind: PodDisruptionBudget
 metadata:
   name: {{ template "argo-cd.controller.fullname" . }}
diff --git a/charts/argo-cd/templates/argocd-repo-server/poddisruptionbudget.yaml b/charts/argo-cd/templates/argocd-repo-server/poddisruptionbudget.yaml
index c388c263..d4a4c93a 100644
--- a/charts/argo-cd/templates/argocd-repo-server/poddisruptionbudget.yaml
+++ b/charts/argo-cd/templates/argocd-repo-server/poddisruptionbudget.yaml
@@ -1,5 +1,5 @@
 {{- if .Values.repoServer.pdb.enabled }}
-apiVersion: policy/v1beta1
+apiVersion: {{ include "argo-cd.podDisruptionBudget.apiVersion" . }}
 kind: PodDisruptionBudget
 metadata:
   name: {{ template "argo-cd.repoServer.fullname" . }}
diff --git a/charts/argo-cd/templates/argocd-server/poddisruptionbudget.yaml b/charts/argo-cd/templates/argocd-server/poddisruptionbudget.yaml
index 2342a1c6..29784ce6 100644
--- a/charts/argo-cd/templates/argocd-server/poddisruptionbudget.yaml
+++ b/charts/argo-cd/templates/argocd-server/poddisruptionbudget.yaml
@@ -1,5 +1,5 @@
 {{- if .Values.server.pdb.enabled }}
-apiVersion: policy/v1beta1
+apiVersion: {{ include "argo-cd.podDisruptionBudget.apiVersion" . }}
 kind: PodDisruptionBudget
 metadata:
   name: {{ template "argo-cd.server.fullname" . }}
diff --git a/charts/argo-cd/templates/dex/poddisruptionbudget.yaml b/charts/argo-cd/templates/dex/poddisruptionbudget.yaml
index 93d952fe..7a16d8bf 100644
--- a/charts/argo-cd/templates/dex/poddisruptionbudget.yaml
+++ b/charts/argo-cd/templates/dex/poddisruptionbudget.yaml
@@ -1,5 +1,5 @@
 {{- if .Values.dex.pdb.enabled }}
-apiVersion: policy/v1beta1
+apiVersion: {{ include "argo-cd.podDisruptionBudget.apiVersion" . }}
 kind: PodDisruptionBudget
 metadata:
   name: {{ template "argo-cd.dex.fullname" . }}
diff --git a/charts/argo-cd/templates/redis/poddisruptionbudget.yaml b/charts/argo-cd/templates/redis/poddisruptionbudget.yaml
index 0f19bb9f..4de55b7e 100644
--- a/charts/argo-cd/templates/redis/poddisruptionbudget.yaml
+++ b/charts/argo-cd/templates/redis/poddisruptionbudget.yaml
@@ -1,5 +1,5 @@
 {{- if .Values.redis.pdb.enabled }}
-apiVersion: policy/v1beta1
+apiVersion: {{ include "argo-cd.podDisruptionBudget.apiVersion" . }}
 kind: PodDisruptionBudget
 metadata:
   name: {{ template "argo-cd.redis.fullname" . }}