diff --git a/helm/mitre-siphon/Chart.lock b/helm/mitre-siphon/Chart.lock
index 80c4854b..777ba4a9 100644
--- a/helm/mitre-siphon/Chart.lock
+++ b/helm/mitre-siphon/Chart.lock
@@ -1,9 +1,9 @@
 dependencies:
 - name: postgresql
   repository: https://charts.bitnami.com/bitnami
-  version: 15.5.27
+  version: 15.5.28
 - name: kafka
   repository: https://charts.bitnami.com/bitnami
   version: 30.0.5
-digest: sha256:2c9750837aa30dde29a573b1692e4ad07e4d33d08206cfaf163d85b17fee5f3f
-generated: "2024-08-30T12:48:46.823937391Z"
+digest: sha256:57648758c58ff72541d2965e48873a7ed87ad3246a8fc230351aeb7be0439843
+generated: "2024-09-05T04:14:03.976836309Z"
diff --git a/helm/mitre-siphon/Chart.yaml b/helm/mitre-siphon/Chart.yaml
index 8e3067e2..4b6a3b39 100644
--- a/helm/mitre-siphon/Chart.yaml
+++ b/helm/mitre-siphon/Chart.yaml
@@ -12,7 +12,7 @@ dependencies:
     alias: postgresql
     condition: postgresql.enabled
     repository: https://charts.bitnami.com/bitnami
-    version: "15.5.27"
+    version: "15.5.28"
   - name: kafka
     alias: kafka
     condition: kafka.enabled