diff --git a/clusters/cl01tl/applications/outline/Chart.yaml b/clusters/cl01tl/applications/outline/Chart.yaml
index 8872af2c3..e6a6672b6 100644
--- a/clusters/cl01tl/applications/outline/Chart.yaml
+++ b/clusters/cl01tl/applications/outline/Chart.yaml
@@ -32,7 +32,7 @@ dependencies:
     repository: https://operator.min.io/
   - name: redis
     repository: https://charts.bitnami.com/bitnami
-    version: 19.6.2
+    version: 19.6.4
   - name: cloudflared
     alias: cloudflared-outline
     repository: http://alexlebens.github.io/helm-charts
diff --git a/clusters/cl01tl/applications/penpot/Chart.yaml b/clusters/cl01tl/applications/penpot/Chart.yaml
index 987a4e0ef..83e72903d 100644
--- a/clusters/cl01tl/applications/penpot/Chart.yaml
+++ b/clusters/cl01tl/applications/penpot/Chart.yaml
@@ -28,7 +28,7 @@ dependencies:
     alias: minio
     repository: https://operator.min.io/
   - name: redis
-    version: 19.6.2
+    version: 19.6.4
     repository: https://charts.bitnami.com/bitnami
   - name: postgres-cluster
     alias: postgres-16-cluster
diff --git a/clusters/cl01tl/applications/tubearchivist/Chart.yaml b/clusters/cl01tl/applications/tubearchivist/Chart.yaml
index 0f0b78ad6..f2242fa36 100644
--- a/clusters/cl01tl/applications/tubearchivist/Chart.yaml
+++ b/clusters/cl01tl/applications/tubearchivist/Chart.yaml
@@ -28,7 +28,7 @@ dependencies:
     version: 21.3.6
     repository: https://charts.bitnami.com/bitnami
   - name: redis
-    version: 19.6.2
+    version: 19.6.4
     repository: https://charts.bitnami.com/bitnami
 icon: https://raw.githubusercontent.com/walkxcode/dashboard-icons/main/png/tube-archivist.png
 appVersion: v0.4.8
diff --git a/clusters/cl01tl/applications/vikunja/Chart.yaml b/clusters/cl01tl/applications/vikunja/Chart.yaml
index b1b4993f8..566035c6a 100644
--- a/clusters/cl01tl/applications/vikunja/Chart.yaml
+++ b/clusters/cl01tl/applications/vikunja/Chart.yaml
@@ -25,7 +25,7 @@ dependencies:
     repository: https://bjw-s.github.io/helm-charts/
     version: 3.2.1
   - name: redis
-    version: 19.6.2
+    version: 19.6.4
     repository: https://charts.bitnami.com/bitnami
   - name: cloudflared
     alias: cloudflared-api
diff --git a/clusters/cl01tl/platform/matrix-synapse/Chart.yaml b/clusters/cl01tl/platform/matrix-synapse/Chart.yaml
index fb904bcdd..6d7e418a7 100644
--- a/clusters/cl01tl/platform/matrix-synapse/Chart.yaml
+++ b/clusters/cl01tl/platform/matrix-synapse/Chart.yaml
@@ -47,11 +47,11 @@ dependencies:
     version: 3.2.1
   - name: redis
     alias: redis-synapse
-    version: 19.6.2
+    version: 19.6.4
     repository: https://charts.bitnami.com/bitnami
   - name: redis
     alias: redis-hookshot
-    version: 19.6.2
+    version: 19.6.4
     repository: https://charts.bitnami.com/bitnami
   - name: cloudflared
     alias: cloudflared-synapse