diff --git a/charts/mastodon/Chart.yaml b/charts/mastodon/Chart.yaml
index ea78e24d37544d0d5ea02bb14affbd5089d95c69..6f7fb20ee9dfb440a8f343e6a963126a424914cc 100644
--- a/charts/mastodon/Chart.yaml
+++ b/charts/mastodon/Chart.yaml
@@ -16,11 +16,11 @@ annotations:
   artifacthub.io/links: |
     - name: support
       url: https://matrix.to/#/#mastodon-on-kubernetes:shivering-isles.com
-
+  artifacthub.io/containsSecurityUpdates: true
 type: application
 version: 6.3.1
 # renovate: image=ghcr.io/mastodon/mastodon
-appVersion: "v4.1.7"
+appVersion: "v4.1.8"
 
 dependencies:
   - name: elasticsearch
diff --git a/charts/mastodon/README.md b/charts/mastodon/README.md
index 146b14006cea06869d2e57a19e5da6abd9e5ed17..77b9d39eba5c7b81fa82dbca2ca886528a03413d 100644
--- a/charts/mastodon/README.md
+++ b/charts/mastodon/README.md
@@ -1,6 +1,6 @@
 # mastodon
 
-![Version: 6.3.1](https://img.shields.io/badge/Version-6.3.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v4.1.7](https://img.shields.io/badge/AppVersion-v4.1.7-informational?style=flat-square)
+![Version: 6.3.1](https://img.shields.io/badge/Version-6.3.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v4.1.8](https://img.shields.io/badge/AppVersion-v4.1.8-informational?style=flat-square)
 
 Mastodon is a free, open-source social network server based on ActivityPub.