diff --git a/charts/argo-cd/Chart.yaml b/charts/argo-cd/Chart.yaml
index 56bbf6d8..71067d29 100644
--- a/charts/argo-cd/Chart.yaml
+++ b/charts/argo-cd/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: v2.3.3
 description: A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 4.5.7
+version: 4.5.8
 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: |
-    - "[Removed]: Drop unneeded static-files volume from argocd-server"
+    - "[Added]: Document how to upgrade CRDs"
diff --git a/charts/argo-cd/README.md b/charts/argo-cd/README.md
index 44495436..33fff9bf 100644
--- a/charts/argo-cd/README.md
+++ b/charts/argo-cd/README.md
@@ -82,6 +82,19 @@ Changes in the `CustomResourceDefinition` resources shall be fixed easily by cop
 
 ## Upgrading
 
+### Custom resource definitions
+
+Helm cannot upgrade custom resource definitions [by design](https://helm.sh/docs/chart_best_practices/custom_resource_definitions/#some-caveats-and-explanations).
+
+Please use `kubectl` to upgrade CRDs manually:
+
+```sh
+kubectl apply -f https://raw.githubusercontent.com/argoproj/argo-helm/argo-cd-4.5.8/charts/argo-cd/crds/crd-application.yaml
+kubectl apply -f https://raw.githubusercontent.com/argoproj/argo-helm/argo-cd-4.5.8/charts/argo-cd/crds/crd-applicationset.yaml
+kubectl apply -f https://raw.githubusercontent.com/argoproj/argo-helm/argo-cd-4.5.8/charts/argo-cd/crds/crd-extension.yaml
+kubectl apply -f https://raw.githubusercontent.com/argoproj/argo-helm/argo-cd-4.5.8/charts/argo-cd/crds/crd-project.yaml
+```
+
 ### 4.3.*
 
 With this minor version, the notification notifier's `service.slack` is no longer configured by default.
diff --git a/charts/argo-cd/README.md.gotmpl b/charts/argo-cd/README.md.gotmpl
index 3f58e445..494db478 100644
--- a/charts/argo-cd/README.md.gotmpl
+++ b/charts/argo-cd/README.md.gotmpl
@@ -82,6 +82,19 @@ Changes in the `CustomResourceDefinition` resources shall be fixed easily by cop
 
 ## Upgrading
 
+### Custom resource definitions
+
+Helm cannot upgrade custom resource definitions [by design](https://helm.sh/docs/chart_best_practices/custom_resource_definitions/#some-caveats-and-explanations).
+
+Please use `kubectl` to upgrade CRDs manually:
+
+```sh
+kubectl apply -f https://raw.githubusercontent.com/argoproj/argo-helm/argo-cd-{{ template "chart.version" . }}/charts/argo-cd/crds/crd-application.yaml
+kubectl apply -f https://raw.githubusercontent.com/argoproj/argo-helm/argo-cd-{{ template "chart.version" . }}/charts/argo-cd/crds/crd-applicationset.yaml
+kubectl apply -f https://raw.githubusercontent.com/argoproj/argo-helm/argo-cd-{{ template "chart.version" . }}/charts/argo-cd/crds/crd-extension.yaml
+kubectl apply -f https://raw.githubusercontent.com/argoproj/argo-helm/argo-cd-{{ template "chart.version" . }}/charts/argo-cd/crds/crd-project.yaml
+```
+
 ### 4.3.*
 
 With this minor version, the notification notifier's `service.slack` is no longer configured by default.