diff --git a/charts/mastodon/Chart.yaml b/charts/mastodon/Chart.yaml
index 785ed8ea8b668bb0ae708a7d15238715d274dabc..a149230ad50215658529992fd982a8a17833294a 100644
--- a/charts/mastodon/Chart.yaml
+++ b/charts/mastodon/Chart.yaml
@@ -17,10 +17,10 @@ annotations:
     - name: support
       url: https://matrix.to/#/#mastodon-on-kubernetes:shivering-isles.com
 type: application
-version: 9.1.1
+version: 9.1.2
 kubeVersion: ">= 1.23"
 # renovate: image=ghcr.io/mastodon/mastodon
-appVersion: "v4.2.4"
+appVersion: "v4.2.5"
 
 dependencies:
   - name: postgresql
diff --git a/charts/mastodon/README.md b/charts/mastodon/README.md
index b8cd288a37139031c0dc6fbd47e3fbd2366cc4c7..46964f9c03cbb77b217c13c6d8a4dc10e6b6f74e 100644
--- a/charts/mastodon/README.md
+++ b/charts/mastodon/README.md
@@ -1,6 +1,6 @@
 # mastodon
 
-![Version: 9.1.1](https://img.shields.io/badge/Version-9.1.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v4.2.4](https://img.shields.io/badge/AppVersion-v4.2.4-informational?style=flat-square)
+![Version: 9.1.2](https://img.shields.io/badge/Version-9.1.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v4.2.5](https://img.shields.io/badge/AppVersion-v4.2.5-informational?style=flat-square)
 
 Mastodon is a free, open-source social network server based on ActivityPub.