diff --git a/helm/dendrite/Chart.lock b/helm/dendrite/Chart.lock
deleted file mode 100644
index 744e10043..000000000
--- a/helm/dendrite/Chart.lock
+++ /dev/null
@@ -1,6 +0,0 @@
-dependencies:
-- name: postgresql
-  repository: https://charts.bitnami.com/bitnami
-  version: 13.2.24
-digest: sha256:07f12ed410f106bf13eca69df16a1ef6690c4d4bfcb037943bbff6e71a22201d
-generated: "2023-12-19T21:17:01.152746194+01:00"
diff --git a/helm/dendrite/Chart.yaml b/helm/dendrite/Chart.yaml
index 2032c233e..2ede0cfe9 100644
--- a/helm/dendrite/Chart.yaml
+++ b/helm/dendrite/Chart.yaml
@@ -15,6 +15,6 @@ sources:
   - https://github.com/matrix-org/dendrite
 dependencies:
   - name: postgresql
-    version: 13.2.24
+    version: 14.2.3
     repository: https://charts.bitnami.com/bitnami
     condition: postgresql.enabled