diff --git a/charts/mastodon/Chart.lock b/charts/mastodon/Chart.lock
index 98024a7708bdf064c70164054f1e4ac55a39d217..35d7b88dcfa6aae9ed0038a3017b0a87d5a59b89 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: 17.9.2
-digest: sha256:20ad41f4dc877ebb9080e8d6e8770aac43f73258aef25b9711c152577523817f
-generated: "2023-03-26T06:08:57.592882898Z"
+  version: 17.9.4
+digest: sha256:1634dfa2efcf01a680951a0150e077e9fcc01298cbe21282916369fbbc78816b
+generated: "2023-04-14T06:10:00.776615171Z"
diff --git a/charts/mastodon/Chart.yaml b/charts/mastodon/Chart.yaml
index 160138fb3e1b166f0f237b7ec5492155d9d671b9..fad0a4c132fc3699ad81e2a4f1edd1517687e8fc 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: 17.9.2
+    version: 17.9.4
     repository: https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
diff --git a/charts/mastodon/charts/redis-17.9.2.tgz b/charts/mastodon/charts/redis-17.9.2.tgz
deleted file mode 100644
index 14df0813d40f5cd367d6fa0f9208841198f2a57a..0000000000000000000000000000000000000000
Binary files a/charts/mastodon/charts/redis-17.9.2.tgz and /dev/null differ
diff --git a/charts/mastodon/charts/redis-17.9.4.tgz b/charts/mastodon/charts/redis-17.9.4.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..ea42d941ea063a8b8433116ff24ee86ca7b2ba55
Binary files /dev/null and b/charts/mastodon/charts/redis-17.9.4.tgz differ
diff --git a/charts/nextcloud/Chart.lock b/charts/nextcloud/Chart.lock
index dc26ff78e6c43bbcdde528488ff6fbffdcee8a9d..e541f5afe1490b6c63312b25cd4f9ed58375b09a 100644
--- a/charts/nextcloud/Chart.lock
+++ b/charts/nextcloud/Chart.lock
@@ -7,6 +7,6 @@ dependencies:
   version: 11.5.1
 - name: redis
   repository: https://charts.bitnami.com/bitnami
-  version: 17.9.2
-digest: sha256:a555d6369d874aab10c3d857f96a80cc6250a45a7265e5b879583a89fbc6b671
-generated: "2023-03-26T06:09:25.82621267Z"
+  version: 17.9.4
+digest: sha256:7fb193682195118166a3f548593cfa5ce675bbb691a32bfd37337a8922c1e6f3
+generated: "2023-04-14T06:09:31.796204692Z"
diff --git a/charts/nextcloud/Chart.yaml b/charts/nextcloud/Chart.yaml
index 4c2d3427831b5ef2a631fc199284e5ab1051c632..cd0dce92016442d93c37ac81c57a4322fc0cb5da 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: 17.9.2
+  version: 17.9.4
   repository: https://charts.bitnami.com/bitnami
   condition: redis.enabled
diff --git a/charts/nextcloud/charts/redis-17.9.2.tgz b/charts/nextcloud/charts/redis-17.9.2.tgz
deleted file mode 100644
index 14df0813d40f5cd367d6fa0f9208841198f2a57a..0000000000000000000000000000000000000000
Binary files a/charts/nextcloud/charts/redis-17.9.2.tgz and /dev/null differ
diff --git a/charts/nextcloud/charts/redis-17.9.4.tgz b/charts/nextcloud/charts/redis-17.9.4.tgz
new file mode 100644
index 0000000000000000000000000000000000000000..ea42d941ea063a8b8433116ff24ee86ca7b2ba55
Binary files /dev/null and b/charts/nextcloud/charts/redis-17.9.4.tgz differ