diff --git a/README.md b/README.md
index af15ea6..509d332 100644
--- a/README.md
+++ b/README.md
@@ -19,4 +19,4 @@ helm repo add ckotzbauer https://ckotzbauer.github.io/helm-charts
 - [cadvisor](https://github.com/ckotzbauer/helm-charts/tree/master/charts/cadvisor)
 - [nfs-client-provisioner](https://github.com/ckotzbauer/helm-charts/tree/master/charts/nfs-client-provisioner)
 - [prometheus-blackbox-exporter](https://github.com/ckotzbauer/helm-charts/tree/master/charts/prometheus-blackbox-exporter)
-- [prometheus-msteams](https://github.com/ckotzbauer/helm-charts/tree/master/charts/prometheus-msteams)
+- [prometheus-msteams](https://github.com/ckotzbauer/helm-charts/tree/master/charts/prometheus-msteams) (deprecated)
diff --git a/charts/prometheus-msteams/Chart.yaml b/charts/prometheus-msteams/Chart.yaml
index 620e9ed..159f632 100644
--- a/charts/prometheus-msteams/Chart.yaml
+++ b/charts/prometheus-msteams/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v1
-description: Alertmanager Webhook for Microsoft Teams
+description: DEPRECATED - Alertmanager Webhook for Microsoft Teams
 name: prometheus-msteams
-version: 1.0.2
+version: 1.0.3
 appVersion: 1.3.3
 home: https://github.com/bzon/prometheus-msteams
 sources:
@@ -12,6 +12,5 @@ keywords:
   - msteams
   - webhook
   - alertmanager
-maintainers:
-  - name: ckotzbauer
-    email: christian.kotzbauer@gmail.com
+maintainers: []
+deprecated: true
diff --git a/charts/prometheus-msteams/README.md b/charts/prometheus-msteams/README.md
index e829a19..a69767c 100644
--- a/charts/prometheus-msteams/README.md
+++ b/charts/prometheus-msteams/README.md
@@ -1,5 +1,7 @@
 # Prometheus MSTeams
 
+## This chart is deprecated in favour of the [official helm-chart](https://hub.helm.sh/charts/prometheus-msteams/prometheus-msteams).
+
 Alertmanager Webhook for Microsoft Teams
 
 Learn more: [https://github.com/bzon/prometheus-msteams](https://github.com/bzon/prometheus-msteams)