diff --git a/charts/argo-cd/Chart.yaml b/charts/argo-cd/Chart.yaml
index 5d12006a..94713762 100644
--- a/charts/argo-cd/Chart.yaml
+++ b/charts/argo-cd/Chart.yaml
@@ -3,7 +3,7 @@ appVersion: v2.14.2
 kubeVersion: ">=1.25.0-0"
 description: A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 7.8.3
+version: 7.8.4
 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: changed
-      description: Bump dex version to v2.42.0
+    - kind: added
+      description: Support controller.sync.timeout.seconds
diff --git a/charts/argo-cd/README.md b/charts/argo-cd/README.md
index 25760a5f..b3bd9a18 100644
--- a/charts/argo-cd/README.md
+++ b/charts/argo-cd/README.md
@@ -750,6 +750,7 @@ NAME: my-release
 | configs.params."controller.repo.server.timeout.seconds" | int | `60` | Repo server RPC call timeout seconds. |
 | configs.params."controller.self.heal.timeout.seconds" | int | `5` | Specifies timeout between application self heal attempts |
 | configs.params."controller.status.processors" | int | `20` | Number of application status processors |
+| configs.params."controller.sync.timeout.seconds" | int | `0` | Specifies the timeout after which a sync would be terminated. 0 means no timeout |
 | configs.params."otlp.address" | string | `""` | Open-Telemetry collector address: (e.g. "otel-collector:4317") |
 | configs.params."reposerver.parallelism.limit" | int | `0` | Limit on number of concurrent manifests generate requests. Any value less the 1 means no limit. |
 | configs.params."server.basehref" | string | `"/"` | Value for base href in index.html. Used if Argo CD is running behind reverse proxy under subpath different from / |
diff --git a/charts/argo-cd/values.yaml b/charts/argo-cd/values.yaml
index f1213daf..4938b416 100644
--- a/charts/argo-cd/values.yaml
+++ b/charts/argo-cd/values.yaml
@@ -275,6 +275,8 @@ configs:
     controller.self.heal.timeout.seconds: 5
     # -- Repo server RPC call timeout seconds.
     controller.repo.server.timeout.seconds: 60
+    # -- Specifies the timeout after which a sync would be terminated. 0 means no timeout
+    controller.sync.timeout.seconds: 0
 
     ## Server properties
     # -- Run server without TLS