diff --git a/charts/argo-cd/Chart.yaml b/charts/argo-cd/Chart.yaml
index 8755b259..20e5a3a7 100644
--- a/charts/argo-cd/Chart.yaml
+++ b/charts/argo-cd/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: "1.6.1"
 description: A Helm chart for ArgoCD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 2.5.2
+version: 2.5.3
 home: https://github.com/argoproj/argo-helm
 icon: https://raw.githubusercontent.com/argoproj/argo/master/docs/assets/argo.png
 keywords:
diff --git a/charts/argo-cd/README.md b/charts/argo-cd/README.md
index 82085769..8b1f0bb9 100644
--- a/charts/argo-cd/README.md
+++ b/charts/argo-cd/README.md
@@ -88,6 +88,7 @@ Helm v3 has removed the `install-crds` hook so CRDs are now populated by files i
 |-----|---------|-------------|
 | controller.affinity | [Assign custom affinity rules to the deployment](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/) | `{}` |
 | controller.args.operationProcessors | define the controller `--operation-processors` | `"10"` |
+| controller.args.appResyncPeriod | define the controller `--app-resync` | `"180"` |
 | controller.args.statusProcessors | define the controller `--status-processors` | `"20"` |
 | controller.clusterAdminAccess.enabled | Enable RBAC for local cluster deployments. | `true` |
 | controller.containerPort | Controller listening port. | `8082` |
diff --git a/charts/argo-cd/templates/argocd-application-controller/deployment.yaml b/charts/argo-cd/templates/argocd-application-controller/deployment.yaml
index b1bcdeaa..c9f45142 100755
--- a/charts/argo-cd/templates/argocd-application-controller/deployment.yaml
+++ b/charts/argo-cd/templates/argocd-application-controller/deployment.yaml
@@ -52,6 +52,8 @@ spec:
         - {{ .Values.controller.args.statusProcessors | quote }}
         - --operation-processors
         - {{ .Values.controller.args.operationProcessors | quote }}
+        - --app-resync
+        - {{ .Values.controller.args.appResyncPeriod | quote }}
         - --repo-server
         - {{ template "argo-cd.repoServer.fullname" . }}:{{ .Values.repoServer.service.port }}
         - --loglevel
diff --git a/charts/argo-cd/values.yaml b/charts/argo-cd/values.yaml
index dae62b65..05b0a276 100755
--- a/charts/argo-cd/values.yaml
+++ b/charts/argo-cd/values.yaml
@@ -35,6 +35,7 @@ controller:
   args:
     statusProcessors: "20"
     operationProcessors: "10"
+    appResyncPeriod: "180"
 
   ## Argo controller log level
   logLevel: info