diff --git a/charts/argo-cd/Chart.yaml b/charts/argo-cd/Chart.yaml
index 7302ce5e1..06de55fb3 100644
--- a/charts/argo-cd/Chart.yaml
+++ b/charts/argo-cd/Chart.yaml
@@ -1,9 +1,9 @@
 apiVersion: v2
-appVersion: v2.8.4
+appVersion: v2.8.5
 kubeVersion: ">=1.23.0-0"
 description: A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 5.47.0
+version: 5.48.0
 home: https://github.com/argoproj/argo-helm
 icon: https://argo-cd.readthedocs.io/en/stable/assets/logo.png
 sources:
@@ -26,5 +26,5 @@ annotations:
     fingerprint: 2B8F22F57260EFA67BE1C5824B11F800CD9D2252
     url: https://argoproj.github.io/argo-helm/pgp_keys.asc
   artifacthub.io/changes: |
-    - kind: added
-      description: add terminationGracePeriodSeconds
+    - kind: changed
+      description: Upgrade Argo CD to v2.8.5
diff --git a/charts/argo-cd/templates/argocd-notifications/deployment.yaml b/charts/argo-cd/templates/argocd-notifications/deployment.yaml
index 633e19432..edee786a4 100644
--- a/charts/argo-cd/templates/argocd-notifications/deployment.yaml
+++ b/charts/argo-cd/templates/argocd-notifications/deployment.yaml
@@ -78,13 +78,19 @@ spec:
                 configMapKeyRef:
                   key: notificationscontroller.log.level
                   name: argocd-cmd-params-cm
-                  optional: true              
+                  optional: true
             - name: ARGOCD_NOTIFICATIONS_CONTROLLER_LOGFORMAT
               valueFrom:
                 configMapKeyRef:
                   key: notificationscontroller.log.format
                   name: argocd-cmd-params-cm
                   optional: true
+            - name: ARGOCD_APPLICATION_NAMESPACES
+              valueFrom:
+                configMapKeyRef:
+                  key: application.namespaces
+                  name: argocd-cmd-params-cm
+                  optional: true
           {{- with .Values.notifications.extraEnvFrom }}
           envFrom:
             {{- toYaml . | nindent 12 }}