diff --git a/charts/hedgedoc/Chart.lock b/charts/hedgedoc/Chart.lock
index f3c7009f622bd49ce638412097323d00a4003c96..bc710b2abe758f1cf03dd7deeb60ac98ee969098 100644
--- a/charts/hedgedoc/Chart.lock
+++ b/charts/hedgedoc/Chart.lock
@@ -1,6 +1,6 @@
 dependencies:
 - name: postgresql
   repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
-  version: 11.9.13
-digest: sha256:00f9aa4e28ee58f51a9c56fe6d07219babc24ae34571815e64b388f094c4de9e
-generated: "2023-03-19T19:38:00.244092372Z"
+  version: 13.2.21
+digest: sha256:42b9150f4a362ebae091a740d2b8e56e945bc5ad97d4cc3fc9305d9e2bf742f7
+generated: "2023-11-28T22:50:51.986369753Z"
diff --git a/charts/hedgedoc/Chart.yaml b/charts/hedgedoc/Chart.yaml
index 400aa609c1e5e230cef2911af40e6ce754360938..af279ab2114d731946f4df910391aaa81b0c61a2 100644
--- a/charts/hedgedoc/Chart.yaml
+++ b/charts/hedgedoc/Chart.yaml
@@ -28,6 +28,6 @@ maintainers:
   url: https://shivering-isles.com
 dependencies:
   - name: postgresql
-    version: 11.9.13
+    version: 13.2.21
     repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
     condition: postgresql.enabled
diff --git a/charts/hedgedoc/charts/postgresql-11.9.13.tgz b/charts/hedgedoc/charts/postgresql-11.9.13.tgz
deleted file mode 100644
index 2d3ac623a5860d4fcc1255afb5c9ca7c4d9d05e1..0000000000000000000000000000000000000000
Binary files a/charts/hedgedoc/charts/postgresql-11.9.13.tgz and /dev/null differ
diff --git a/charts/hedgedoc/charts/postgresql-13.2.21.tgz b/charts/hedgedoc/charts/postgresql-13.2.21.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..9c97bd3ca271563ae097928afc9ac7952137f3e2
Binary files /dev/null and b/charts/hedgedoc/charts/postgresql-13.2.21.tgz differ