diff --git a/charts/mastodon/Chart.lock b/charts/mastodon/Chart.lock
index bf15f62c711ba089718b7b5243874c23bb657bc6..3976f6e46cfa4f1e2847277121030c5472678233 100644
--- a/charts/mastodon/Chart.lock
+++ b/charts/mastodon/Chart.lock
@@ -7,6 +7,6 @@ dependencies:
   version: 11.9.13
 - name: redis
   repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
-  version: 18.0.2
-digest: sha256:503fa37c6286df8d80af887cfbf319f37956a9a83d2a5305f1da31cd496cee00
-generated: "2023-09-10T06:10:36.685262561Z"
+  version: 18.0.4
+digest: sha256:209ca6817987c7915591197fa24467bd2b670cafea2fadb698250baf6fe15225
+generated: "2023-09-12T06:08:48.817910502Z"
diff --git a/charts/mastodon/Chart.yaml b/charts/mastodon/Chart.yaml
index 5f8102f57b46ab90775e2c1c19558ad1e6f1525f..54f8710232476de83d2db96599c181060c0e9bd1 100644
--- a/charts/mastodon/Chart.yaml
+++ b/charts/mastodon/Chart.yaml
@@ -25,5 +25,5 @@ dependencies:
     repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
     condition: postgresql.enabled
   - name: redis
-    version: 18.0.2
+    version: 18.0.4
     repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
diff --git a/charts/mastodon/charts/redis-18.0.2.tgz b/charts/mastodon/charts/redis-18.0.2.tgz
deleted file mode 100644
index f059b4368b03aa5cde69faeb339ad47cd70fa5bc..0000000000000000000000000000000000000000
Binary files a/charts/mastodon/charts/redis-18.0.2.tgz and /dev/null differ
diff --git a/charts/mastodon/charts/redis-18.0.4.tgz b/charts/mastodon/charts/redis-18.0.4.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..9a523d50639fce6957cab1bac5727c1c167ed8d6
Binary files /dev/null and b/charts/mastodon/charts/redis-18.0.4.tgz differ
diff --git a/charts/nextcloud/Chart.lock b/charts/nextcloud/Chart.lock
index d90d5dc7f802c1adb445574ce76884cca8da5ebd..0db20253e82b5404c0c5c845d8bfdaef313e1a8a 100644
--- a/charts/nextcloud/Chart.lock
+++ b/charts/nextcloud/Chart.lock
@@ -7,6 +7,6 @@ dependencies:
   version: 13.1.3
 - name: redis
   repository: https://charts.bitnami.com/bitnami
-  version: 18.0.2
-digest: sha256:b0f7dc87bbe41b6001fe9b760e1f8f5ad2c61e69049880c85ecfc721872c8dde
-generated: "2023-09-10T06:10:04.541196326Z"
+  version: 18.0.4
+digest: sha256:a3b5d2ef50c1a9350d11f7407830414d5fd461a2ec155c3e1ecafa71689f4a94
+generated: "2023-09-12T06:08:10.228270857Z"
diff --git a/charts/nextcloud/Chart.yaml b/charts/nextcloud/Chart.yaml
index e44e9e4c0d9830f20aba6557924ce59dbc69de71..d58b56a89a68153c3ec5667ae50d40329cf491d4 100644
--- a/charts/nextcloud/Chart.yaml
+++ b/charts/nextcloud/Chart.yaml
@@ -28,6 +28,6 @@ dependencies:
   repository: https://charts.bitnami.com/bitnami
   condition: mariadb.enabled
 - name: redis
-  version: 18.0.2
+  version: 18.0.4
   repository: https://charts.bitnami.com/bitnami
   condition: redis.enabled
diff --git a/charts/nextcloud/charts/redis-18.0.2.tgz b/charts/nextcloud/charts/redis-18.0.2.tgz
deleted file mode 100644
index f059b4368b03aa5cde69faeb339ad47cd70fa5bc..0000000000000000000000000000000000000000
Binary files a/charts/nextcloud/charts/redis-18.0.2.tgz and /dev/null differ
diff --git a/charts/nextcloud/charts/redis-18.0.4.tgz b/charts/nextcloud/charts/redis-18.0.4.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..9a523d50639fce6957cab1bac5727c1c167ed8d6
Binary files /dev/null and b/charts/nextcloud/charts/redis-18.0.4.tgz differ