diff --git a/charts/mastodon/Chart.lock b/charts/mastodon/Chart.lock
index 914cd5696789d85420aaf86ef3b310f47e044cc3..bf15f62c711ba089718b7b5243874c23bb657bc6 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: 17.10.2
-digest: sha256:80f8608589be9b101b1d2ac80423c67aaabcb333bb37f22e32f4ffdd335eaad4
-generated: "2023-09-08T06:08:04.441833352Z"
+  version: 18.0.2
+digest: sha256:503fa37c6286df8d80af887cfbf319f37956a9a83d2a5305f1da31cd496cee00
+generated: "2023-09-10T06:10:36.685262561Z"
diff --git a/charts/mastodon/Chart.yaml b/charts/mastodon/Chart.yaml
index 25ddc6dd5188b9835f446f54e1d36dfb98197a74..ac022e5255aefcd8af58c41eaa3880b9188c62d9 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: 17.10.2
+    version: 18.0.2
     repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
diff --git a/charts/mastodon/charts/redis-17.10.2.tgz b/charts/mastodon/charts/redis-17.10.2.tgz
deleted file mode 100644
index 4aec1a309ccbd35368fdb8385285f91b489cea23..0000000000000000000000000000000000000000
Binary files a/charts/mastodon/charts/redis-17.10.2.tgz and /dev/null differ
diff --git a/charts/mastodon/charts/redis-18.0.2.tgz b/charts/mastodon/charts/redis-18.0.2.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..f059b4368b03aa5cde69faeb339ad47cd70fa5bc
Binary files /dev/null and b/charts/mastodon/charts/redis-18.0.2.tgz differ
diff --git a/charts/nextcloud/Chart.lock b/charts/nextcloud/Chart.lock
index 00d7a40eb5689dadaac17d58514a2dabe95e1d09..d90d5dc7f802c1adb445574ce76884cca8da5ebd 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: 17.10.2
-digest: sha256:fae37c5f6e5ad4aa6667dab314cada23f02186a620a4f80b4d93f33d9738e057
-generated: "2023-09-08T06:07:15.41936589Z"
+  version: 18.0.2
+digest: sha256:b0f7dc87bbe41b6001fe9b760e1f8f5ad2c61e69049880c85ecfc721872c8dde
+generated: "2023-09-10T06:10:04.541196326Z"
diff --git a/charts/nextcloud/Chart.yaml b/charts/nextcloud/Chart.yaml
index 3307d036591f3a6d243245ef70784d921ddbfc20..d7288074887414fe2254f22c3fbaa88fad80a7bc 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: 17.10.2
+  version: 18.0.2
   repository: https://charts.bitnami.com/bitnami
   condition: redis.enabled
diff --git a/charts/nextcloud/charts/redis-17.10.2.tgz b/charts/nextcloud/charts/redis-17.10.2.tgz
deleted file mode 100644
index 4aec1a309ccbd35368fdb8385285f91b489cea23..0000000000000000000000000000000000000000
Binary files a/charts/nextcloud/charts/redis-17.10.2.tgz and /dev/null differ
diff --git a/charts/nextcloud/charts/redis-18.0.2.tgz b/charts/nextcloud/charts/redis-18.0.2.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..f059b4368b03aa5cde69faeb339ad47cd70fa5bc
Binary files /dev/null and b/charts/nextcloud/charts/redis-18.0.2.tgz differ