diff --git a/charts/stable/tailscale/Chart.yaml b/charts/stable/tailscale/Chart.yaml
index 694c59e6f06..9b800b68e6a 100644
--- a/charts/stable/tailscale/Chart.yaml
+++ b/charts/stable/tailscale/Chart.yaml
@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 1.76.6
+appVersion: 1.78.3
 dependencies:
   - name: common
     version: 25.2.2
@@ -33,4 +33,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/tailscale
   - https://hub.docker.com/r/tailscale/tailscale
 type: application
-version: 10.8.0
+version: 10.9.0
diff --git a/charts/stable/tailscale/values.yaml b/charts/stable/tailscale/values.yaml
index 9c2e2a1f19b..bc30663363d 100644
--- a/charts/stable/tailscale/values.yaml
+++ b/charts/stable/tailscale/values.yaml
@@ -1,7 +1,7 @@
 image:
   repository: docker.io/tailscale/tailscale
   pullPolicy: IfNotPresent
-  tag: v1.76.6@sha256:da35f0fbeb3037754049e3b079cb30c58c140576a50b54be107c0ff6ad0ec0e9
+  tag: v1.78.3@sha256:9d4c17a8451e2d1282c22aee1f08d28dc106979c39c7b5a35ec6313d4682a43e
 serviceAccount:
   main:
     enabled: true