diff --git a/charts/mastodon/Chart.lock b/charts/mastodon/Chart.lock
index b96b715151041a6fd083ad3aa96f286aa8301933..555b6f8b636e123924353247fadbc38125014a16 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: 13.2.20
+  version: 13.2.21
 - name: redis
   repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
   version: 18.4.0
-digest: sha256:029a6e67bd24fff910a4ffebd4150dd9382ad10730ede24507f7616f532785ac
-generated: "2023-11-27T19:09:38.588492805Z"
+digest: sha256:3ce31417fe6ff6d21a07c2bfd93276347f93258ef6c5136fa708371d216582e5
+generated: "2023-11-28T22:46:19.863770512Z"
diff --git a/charts/mastodon/Chart.yaml b/charts/mastodon/Chart.yaml
index f016f2f54894abcde96f9bb9fffd0f05b81dd8b2..f71e69b70b1f74cbf6e00817f217d9fb841da392 100644
--- a/charts/mastodon/Chart.yaml
+++ b/charts/mastodon/Chart.yaml
@@ -24,7 +24,7 @@ appVersion: "v4.2.1"
 
 dependencies:
   - name: postgresql
-    version: 13.2.20
+    version: 13.2.21
     repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
     condition: postgresql.enabled
   - name: redis
diff --git a/charts/mastodon/charts/postgresql-13.2.20.tgz b/charts/mastodon/charts/postgresql-13.2.20.tgz
deleted file mode 100644
index b88ae3e7e3b86434fc1bf36dd489d51dda851ff1..0000000000000000000000000000000000000000
Binary files a/charts/mastodon/charts/postgresql-13.2.20.tgz and /dev/null differ
diff --git a/charts/mastodon/charts/postgresql-13.2.21.tgz b/charts/mastodon/charts/postgresql-13.2.21.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..9c97bd3ca271563ae097928afc9ac7952137f3e2
Binary files /dev/null and b/charts/mastodon/charts/postgresql-13.2.21.tgz differ