diff --git a/charts/headscale/Chart.yaml b/charts/headscale/Chart.yaml
index 453324e5e..d505361de 100644
--- a/charts/headscale/Chart.yaml
+++ b/charts/headscale/Chart.yaml
@@ -4,7 +4,7 @@ description: An open source, self-hosted implementation of the Tailscale control
 home: https://charts.gabe565.com/charts/headscale/
 icon: https://raw.githubusercontent.com/juanfont/headscale/56a7b1e34952c3e0306a134b2be9b4277f5d8d6e/docs/logo/headscale3-dots.svg
 type: application
-version: 0.12.2
+version: 0.12.3
 # renovate datasource=docker depName=ghcr.io/juanfont/headscale
 appVersion: 0.22.3
 kubeVersion: ">=1.22.0-0"
@@ -25,8 +25,8 @@ sources:
   - https://github.com/juanfont/headscale
 annotations:
   artifacthub.io/changes: |-
-    - kind: changed
-      description: Update ghcr.io/juanfont/headscale Docker tag to v0.22.3
+    - kind: added
+      description: Add ServiceMonitor values
   artifacthub.io/links: |-
     - name: App Source
       url: https://github.com/juanfont/headscale
diff --git a/charts/headscale/README.md b/charts/headscale/README.md
index cc5a29510..c1deded69 100644
--- a/charts/headscale/README.md
+++ b/charts/headscale/README.md
@@ -2,7 +2,7 @@
 
 <img src="https://raw.githubusercontent.com/juanfont/headscale/56a7b1e34952c3e0306a134b2be9b4277f5d8d6e/docs/logo/headscale3-dots.svg" align="right" width="92" alt="headscale logo">
 
-![Version: 0.12.2](https://img.shields.io/badge/Version-0.12.2-informational?style=flat)
+![Version: 0.12.3](https://img.shields.io/badge/Version-0.12.3-informational?style=flat)
 ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat)
 ![AppVersion: 0.22.3](https://img.shields.io/badge/AppVersion-0.22.3-informational?style=flat)
 
@@ -11,7 +11,7 @@ An open source, self-hosted implementation of the Tailscale control server.
 **Homepage:** <https://charts.gabe565.com/charts/headscale/>
 
 **This chart is not maintained by the upstream project and any issues with the chart should be raised
-[here](https://github.com/gabe565/charts/issues/new?assignees=gabe565&labels=bug&template=bug_report.yaml&name=headscale&version=0.12.2)**
+[here](https://github.com/gabe565/charts/issues/new?assignees=gabe565&labels=bug&template=bug_report.yaml&name=headscale&version=0.12.3)**
 
 ## Source Code
 
@@ -154,6 +154,8 @@ Once deployed, the UI will be available at `/web`.
 | persistence.config | object | See [values.yaml](./values.yaml) | Configure persistence settings for the chart under this key. |
 | postgresql | object | See [values.yaml](./values.yaml) | Enable and configure postgresql database subchart under this key.    For more options see [postgresql chart documentation](https://github.com/bitnami/charts/tree/master/bitnami/postgresql) |
 | service.main | object | See [values.yaml](./values.yaml) | Configures service settings for the chart. |
+| serviceMonitor.main.enabled | bool | `false` | Enables or disables the serviceMonitor. |
+| serviceMonitor.main.endpoints | list | See [values.yaml](./values.yaml) | Configures the endpoints for the serviceMonitor. |
 
 ---
 Autogenerated from chart metadata using [helm-docs](https://github.com/norwoodj/helm-docs)
diff --git a/charts/headscale/values.yaml b/charts/headscale/values.yaml
index a9a392a1a..21f7f1bfb 100644
--- a/charts/headscale/values.yaml
+++ b/charts/headscale/values.yaml
@@ -84,3 +84,16 @@ postgresql:
       enabled: false
       # storageClass: ""
       # size: 8Gi
+
+serviceMonitor:
+  main:
+    # -- Enables or disables the serviceMonitor.
+    enabled: false
+    # -- Configures the endpoints for the serviceMonitor.
+    # @default -- See [values.yaml](./values.yaml)
+    endpoints:
+      - port: metrics
+        scheme: http
+        path: /metrics
+        interval: 30s
+        scrapeTimeout: 10s