diff --git a/charts/argo-cd/Chart.yaml b/charts/argo-cd/Chart.yaml
index eb705b210..51ea3d84c 100644
--- a/charts/argo-cd/Chart.yaml
+++ b/charts/argo-cd/Chart.yaml
@@ -3,7 +3,7 @@ appVersion: v3.1.9
 kubeVersion: ">=1.25.0-0"
 description: A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 9.0.3
+version: 9.0.4
 home: https://github.com/argoproj/argo-helm
 icon: https://argo-cd.readthedocs.io/en/stable/assets/logo.png
 sources:
@@ -27,4 +27,4 @@ annotations:
     url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
     - kind: fixed
-      description: Add context to Changelog in README for v9.0.0
+      description: Add checksum to ArgoCD notifications
diff --git a/charts/argo-cd/templates/argocd-notifications/deployment.yaml b/charts/argo-cd/templates/argocd-notifications/deployment.yaml
index 4467e651a..3f751f3af 100644
--- a/charts/argo-cd/templates/argocd-notifications/deployment.yaml
+++ b/charts/argo-cd/templates/argocd-notifications/deployment.yaml
@@ -27,8 +27,9 @@ spec:
       {{- include "argo-cd.selectorLabels" (dict "context" . "name" .Values.notifications.name) | nindent 6 }}
   template:
     metadata:
-      {{- with (mergeOverwrite (deepCopy .Values.global.podAnnotations) .Values.notifications.podAnnotations) }}
       annotations:
+        checksum/cmd-params: {{ include (print $.Template.BasePath "/argocd-configs/argocd-cmd-params-cm.yaml") . | sha256sum }}
+        {{- with (mergeOverwrite (deepCopy .Values.global.podAnnotations) .Values.notifications.podAnnotations) }}
         {{- range $key, $value := . }}
         {{ $key }}: {{ $value | quote }}
         {{- end }}