diff --git a/charts/mastodon/Chart.lock b/charts/mastodon/Chart.lock
index 0c4523c9803b37ab2a5f1d0a9aea1567a7a9a722..cc44868a98fad805408822fbbdaacd75688f31bf 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: 17.3.11
-digest: sha256:7d79c1d0e4856f26ac948207aefab4bcea056b099d8dec8ce4e9aa850b4b5c37
-generated: "2022-11-16T06:12:39.706626343Z"
+digest: sha256:420b9005407dbdf538ff7fd958af104286ec0a7cd4db040534c0326ae8411e50
+generated: "2022-11-22T12:33:26.380828204Z"
diff --git a/charts/mastodon/Chart.yaml b/charts/mastodon/Chart.yaml
index 9e5baa7d2e2d1a9038dcf2cef83100fe62260399..8a66f47265d0640ad17de95240efec05d56dd1af 100644
--- a/charts/mastodon/Chart.yaml
+++ b/charts/mastodon/Chart.yaml
@@ -20,7 +20,7 @@ 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