diff --git a/charts/argo-cd/Chart.yaml b/charts/argo-cd/Chart.yaml
index 9962ad77..174c0f5e 100644
--- a/charts/argo-cd/Chart.yaml
+++ b/charts/argo-cd/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: v2.4.11
 description: A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 5.4.1
+version: 5.4.2
 home: https://github.com/argoproj/argo-helm
 icon: https://argo-cd.readthedocs.io/en/stable/assets/logo.png
 keywords:
@@ -19,4 +19,4 @@ dependencies:
     condition: redis-ha.enabled
 annotations:
   artifacthub.io/changes: |
-    - "[Fixed]: Template existing value automountServiceAccountToken into repo-server"
+    - "[Added]: Add priorityClassName to notifications controller"
diff --git a/charts/argo-cd/README.md b/charts/argo-cd/README.md
index 3e66621f..c2a8169c 100644
--- a/charts/argo-cd/README.md
+++ b/charts/argo-cd/README.md
@@ -960,6 +960,7 @@ If you want to use an existing Redis (eg. a managed service from a cloud provide
 | notifications.notifiers | object | See [values.yaml] | Configures notification services such as slack, email or custom webhook |
 | notifications.podAnnotations | object | `{}` | Annotations to be applied to the controller Pods |
 | notifications.podLabels | object | `{}` | Labels to be applied to the controller Pods |
+| notifications.priorityClassName | string | `""` | Priority class for the controller pods |
 | notifications.resources | object | `{}` | Resource limits and requests for the controller |
 | notifications.secret.annotations | object | `{}` | key:value pairs of annotations to be added to the secret |
 | notifications.secret.create | bool | `true` | Whether helm chart creates controller secret |
diff --git a/charts/argo-cd/templates/argocd-notifications/deployment.yaml b/charts/argo-cd/templates/argocd-notifications/deployment.yaml
index 4b4ac1e0..cfbb54f7 100644
--- a/charts/argo-cd/templates/argocd-notifications/deployment.yaml
+++ b/charts/argo-cd/templates/argocd-notifications/deployment.yaml
@@ -100,4 +100,7 @@ spec:
       tolerations:
         {{- toYaml . | nindent 8 }}
     {{- end }}
+    {{- with .Values.notifications.priorityClassName }}
+      priorityClassName: {{ . }}
+    {{- end }}
 {{- end }}
diff --git a/charts/argo-cd/values.yaml b/charts/argo-cd/values.yaml
index f4cb3e44..a0ec0150 100755
--- a/charts/argo-cd/values.yaml
+++ b/charts/argo-cd/values.yaml
@@ -2277,6 +2277,9 @@ notifications:
   # -- Container Security Context
   containerSecurityContext: {}
 
+  # -- Priority class for the controller pods
+  priorityClassName: ""
+
   # -- Resource limits and requests for the controller
   resources: {}
     # limits: