diff --git a/charts/sentry/Chart.lock b/charts/sentry/Chart.lock
index a34a224ab..3e13e625a 100644
--- a/charts/sentry/Chart.lock
+++ b/charts/sentry/Chart.lock
@@ -22,6 +22,6 @@ dependencies:
   version: 12.5.1
 - name: nginx
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 18.2.5
-digest: sha256:d2d9ed95a3d4add3948dc237ba578be86e8dbee03bbee6ba7a886bc950b75ab2
-generated: "2025-09-22T01:15:11.742892877Z"
+  version: 18.3.6
+digest: sha256:7a3ec033ea76282f636a1ef789241855b30033e26ad350d541303064cdcdb680
+generated: "2025-10-09T14:47:54.047637424Z"
diff --git a/charts/sentry/Chart.yaml b/charts/sentry/Chart.yaml
index 1742fe76c..455a7160c 100644
--- a/charts/sentry/Chart.yaml
+++ b/charts/sentry/Chart.yaml
@@ -37,7 +37,7 @@ dependencies:
     condition: postgresql.enabled
   - name: nginx
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 18.2.5
+    version: 18.3.6
     condition: nginx.enabled
 maintainers:
   - name: sentry-kubernetes