diff --git a/charts/argo-cd/Chart.yaml b/charts/argo-cd/Chart.yaml
index d1f96578..b480d0d1 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: 4.6.2
+version: 4.6.3
 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: |
-    - "[Changed]: Update Argo CD to v2.3.4"
+    - "[Added]: Add support for external issuers in server Certificate resource"
diff --git a/charts/argo-cd/README.md b/charts/argo-cd/README.md
index bb2bfd2c..00ac29b6 100644
--- a/charts/argo-cd/README.md
+++ b/charts/argo-cd/README.md
@@ -424,6 +424,7 @@ NAME: my-release
 | server.certificate.domain | string | `"argocd.example.com"` | Certificate primary domain (commonName) |
 | server.certificate.duration | string | `""` | The requested 'duration' (i.e. lifetime) of the Certificate. Value must be in units accepted by Go time.ParseDuration |
 | server.certificate.enabled | bool | `false` | Deploy a Certificate resource (requires cert-manager) |
+| server.certificate.issuer.group | string | `""` | Certificate issuer group. Set if using an external issuer. Eg. `cert-manager.io` |
 | server.certificate.issuer.kind | string | `""` | Certificate issuer kind. Either `Issuer` or `ClusterIssuer` |
 | server.certificate.issuer.name | string | `""` | Certificate isser name. Eg. `letsencrypt` |
 | server.certificate.renewBefore | string | `""` | How long before the currently issued certificate's expiry cert-manager should renew the certificate. Value must be in units accepted by Go time.ParseDuration |
diff --git a/charts/argo-cd/templates/argocd-server/certificate.yaml b/charts/argo-cd/templates/argocd-server/certificate.yaml
index 50780560..80f89b03 100644
--- a/charts/argo-cd/templates/argocd-server/certificate.yaml
+++ b/charts/argo-cd/templates/argocd-server/certificate.yaml
@@ -26,6 +26,9 @@ spec:
   duration: {{ . | quote }}
   {{- end }}
   issuerRef:
+    {{- with .Values.server.certificate.issuer.group }}
+    group: {{ . | quote }}
+    {{- end }}
     kind: {{ .Values.server.certificate.issuer.kind | quote }}
     name: {{ .Values.server.certificate.issuer.name | quote }}
   {{- with .Values.server.certificate.renewBefore }}
diff --git a/charts/argo-cd/values.yaml b/charts/argo-cd/values.yaml
index 652e912c..3e3fb234 100755
--- a/charts/argo-cd/values.yaml
+++ b/charts/argo-cd/values.yaml
@@ -952,6 +952,8 @@ server:
     # -- How long before the currently issued certificate's expiry cert-manager should renew the certificate. Value must be in units accepted by Go time.ParseDuration
     renewBefore: ""
     issuer:
+      # -- Certificate issuer group. Set if using an external issuer. Eg. `cert-manager.io`
+      group: ""
       # -- Certificate issuer kind. Either `Issuer` or `ClusterIssuer`
       kind: ""
       # -- Certificate isser name. Eg. `letsencrypt`