diff --git a/charts/mastodon/Chart.lock b/charts/mastodon/Chart.lock
index 4a479adb73cd954ccbfb18da9352541d0f9e50df..6c3e4cd993ee9b5803ef402a24d5574b3cf93c5a 100644
--- a/charts/mastodon/Chart.lock
+++ b/charts/mastodon/Chart.lock
@@ -1,9 +1,9 @@
 dependencies:
 - name: postgresql
   repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
-  version: 13.2.21
+  version: 13.2.27
 - name: redis
   repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
   version: 18.6.2
-digest: sha256:40ba28e6600cef8c801da8dd9b40c14d8fb062437ebfebff5b8b6e5e8cc43371
-generated: "2024-01-10T00:29:49.834202845Z"
+digest: sha256:bf1dcd02d0e7433105cfcc727f85c4d19e400ec90e647e61e690f5abb1f7da78
+generated: "2024-01-10T00:40:28.164672982Z"
diff --git a/charts/mastodon/Chart.yaml b/charts/mastodon/Chart.yaml
index b6b1312f06c970a68ba6b82b0ac2215e9cb5887e..81c21d0f95a84a530b24ff8aa4be48416a63c710 100644
--- a/charts/mastodon/Chart.yaml
+++ b/charts/mastodon/Chart.yaml
@@ -17,14 +17,14 @@ annotations:
     - name: support
       url: https://matrix.to/#/#mastodon-on-kubernetes:shivering-isles.com
 type: application
-version: 9.0.2
+version: 9.0.3
 kubeVersion: ">= 1.23"
 # renovate: image=ghcr.io/mastodon/mastodon
 appVersion: "v4.2.3"
 
 dependencies:
   - name: postgresql
-    version: 13.2.21
+    version: 13.2.27
     repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
     condition: postgresql.enabled
   - name: redis
diff --git a/charts/mastodon/README.md b/charts/mastodon/README.md
index 829630a69ebbb1aa220a5246cbde092e1d463d26..7f647ebc8f81924883bf307f6a3c1119dcb4e1b1 100644
--- a/charts/mastodon/README.md
+++ b/charts/mastodon/README.md
@@ -1,6 +1,6 @@
 # mastodon
 
-![Version: 9.0.2](https://img.shields.io/badge/Version-9.0.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v4.2.3](https://img.shields.io/badge/AppVersion-v4.2.3-informational?style=flat-square)
+![Version: 9.0.3](https://img.shields.io/badge/Version-9.0.3-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v4.2.3](https://img.shields.io/badge/AppVersion-v4.2.3-informational?style=flat-square)
 
 Mastodon is a free, open-source social network server based on ActivityPub.
 
@@ -19,7 +19,7 @@ Kubernetes: `>= 1.23`
 
 | Repository | Name | Version |
 |------------|------|---------|
-| https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami | postgresql | 13.2.21 |
+| https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami | postgresql | 13.2.27 |
 | https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami | redis | 18.6.2 |
 
 ## Values
diff --git a/charts/mastodon/charts/postgresql-13.2.21.tgz b/charts/mastodon/charts/postgresql-13.2.21.tgz
deleted file mode 100644
index 9c97bd3ca271563ae097928afc9ac7952137f3e2..0000000000000000000000000000000000000000
Binary files a/charts/mastodon/charts/postgresql-13.2.21.tgz and /dev/null differ
diff --git a/charts/mastodon/charts/postgresql-13.2.27.tgz b/charts/mastodon/charts/postgresql-13.2.27.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..d351c7b20c5c637de8865fc00bc419e8ebf67d37
Binary files /dev/null and b/charts/mastodon/charts/postgresql-13.2.27.tgz differ