diff --git a/charts/mastodon/Chart.lock b/charts/mastodon/Chart.lock
index c1170420b0ca93ff937576ee37ad4f1085dec8d6..f904b68eb61008fe98b065180fa4115829a33e11 100644
--- a/charts/mastodon/Chart.lock
+++ b/charts/mastodon/Chart.lock
@@ -4,9 +4,9 @@ dependencies:
   version: 19.0.1
 - name: postgresql
   repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
-  version: 11.1.3
+  version: 11.9.13
 - name: redis
   repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
   version: 17.3.14
-digest: sha256:f4e580e73256b0d104eb41ac1d3b169b22e26dfd637d501790872364af55f8a0
-generated: "2022-12-06T23:03:02.484650517Z"
+digest: sha256:e1a4709309a6064d0e0bd3cc464e806d19b4c41d6c60fd7f09e011f0567a257e
+generated: "2022-12-10T06:09:37.986144769Z"
diff --git a/charts/mastodon/Chart.yaml b/charts/mastodon/Chart.yaml
index 7ee4549b7fd5ad3953fd0344be8695658e5978e5..09a8fa44b7a031e8c874034ff8e8bf42106dddb1 100644
--- a/charts/mastodon/Chart.yaml
+++ b/charts/mastodon/Chart.yaml
@@ -21,7 +21,7 @@ dependencies:
     repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
     condition: elasticsearch.enabled
   - name: postgresql
-    version: 11.1.3
+    version: 11.9.13
     repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
     condition: postgresql.enabled
   - name: redis