diff --git a/charts/nightscout/Chart.lock b/charts/nightscout/Chart.lock
index bb70bbcfb..62eb31b9e 100644
--- a/charts/nightscout/Chart.lock
+++ b/charts/nightscout/Chart.lock
@@ -4,6 +4,6 @@ dependencies:
   version: 1.5.1
 - name: mongodb
   repository: https://charts.bitnami.com/bitnami
-  version: 15.1.4
-digest: sha256:da11f47b523020af2ee7289fbd284b92cb5711aeab505847e2c965da8e44876d
-generated: "2024-04-18T04:11:36.167715737Z"
+  version: 15.6.17
+digest: sha256:29778e599a3a453783de3ccef47a1ad5b86c4a7c7e496da31decca37f22195c5
+generated: "2024-08-06T20:05:59.087781836Z"
diff --git a/charts/nightscout/Chart.yaml b/charts/nightscout/Chart.yaml
index e7ab8535a..4eacd9570 100644
--- a/charts/nightscout/Chart.yaml
+++ b/charts/nightscout/Chart.yaml
@@ -18,7 +18,7 @@ dependencies:
     repository: https://bjw-s.github.io/helm-charts
     version: 1.5.1
   - name: mongodb
-    version: 15.1.4
+    version: 15.6.17
     repository: https://charts.bitnami.com/bitnami
 sources:
   - https://github.com/nightscout/cgm-remote-monitor