diff --git a/autopush/Chart.lock b/autopush/Chart.lock
index 256d92f..3d86b5e 100644
--- a/autopush/Chart.lock
+++ b/autopush/Chart.lock
@@ -1,6 +1,6 @@
 dependencies:
 - name: redis
   repository: oci://docker.io/bitnamicharts
-  version: 20.11.5
-digest: sha256:67c400a1df67f6ec9cf102e09439a3f60fdecc5e9092a2463220d803a1e5df34
-generated: "2025-04-18T00:06:55.139656197+02:00"
+  version: 20.13.1
+digest: sha256:047d57182f7fd96448537c6c9b77d4cfdd620ffab24d4a5aae0c35db0213f7f6
+generated: "2025-04-23T13:32:36.754432992Z"
diff --git a/autopush/Chart.yaml b/autopush/Chart.yaml
index 3652255..2e8ff43 100644
--- a/autopush/Chart.yaml
+++ b/autopush/Chart.yaml
@@ -12,6 +12,6 @@ maintainers:
 
 dependencies:
   - name: redis
-    version: "20.11.5"
+    version: "20.13.1"
     repository: "oci://docker.io/bitnamicharts"
     condition: redis.internal
diff --git a/matrix-synapse/Chart.yaml b/matrix-synapse/Chart.yaml
index 6ccab4c..e8c1103 100644
--- a/matrix-synapse/Chart.yaml
+++ b/matrix-synapse/Chart.yaml
@@ -17,6 +17,6 @@ dependencies:
     repository: "oci://docker.io/bitnamicharts"
     condition: postgresql.enabled
   - name: redis
-    version: "20.11.5"
+    version: "20.13.1"
     repository: "oci://docker.io/bitnamicharts"
     condition: redis.enabled
diff --git a/paperless-ngx/Chart.yaml b/paperless-ngx/Chart.yaml
index 044e62c..bde0ff3 100644
--- a/paperless-ngx/Chart.yaml
+++ b/paperless-ngx/Chart.yaml
@@ -26,6 +26,6 @@ dependencies:
     repository: "oci://docker.io/bitnamicharts"
     condition: postgresql.enabled
   - name: redis
-    version: "20.11.5"
+    version: "20.13.1"
     repository: "oci://docker.io/bitnamicharts"
     condition: redis.enabled
diff --git a/pretix/Chart.yaml b/pretix/Chart.yaml
index 08098cd..6046741 100644
--- a/pretix/Chart.yaml
+++ b/pretix/Chart.yaml
@@ -20,6 +20,6 @@ dependencies:
     repository: "oci://docker.io/bitnamicharts"
     condition: postgresql.enabled
   - name: redis
-    version: "20.11.5"
+    version: "20.13.1"
     repository: "oci://docker.io/bitnamicharts"
     condition: redis.enabled