diff --git a/stable/redis/Chart.yaml b/stable/redis/Chart.yaml
index e685b181f2..38d9a9cfd8 100644
--- a/stable/redis/Chart.yaml
+++ b/stable/redis/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: redis
-version: 10.5.1
+version: 10.5.2
 appVersion: 5.0.7
 description: Open source, advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets.
 keywords:
diff --git a/stable/redis/ci/insecure-sentinel-values.yaml b/stable/redis/ci/insecure-sentinel-values.yaml
index 4ca1a93161..2e9174f495 100644
--- a/stable/redis/ci/insecure-sentinel-values.yaml
+++ b/stable/redis/ci/insecure-sentinel-values.yaml
@@ -481,7 +481,7 @@ volumePermissions:
   image:
     registry: docker.io
     repository: bitnami/minideb
-    tag: stretch
+    tag: buster
     pullPolicy: Always
     ## Optionally specify an array of imagePullSecrets.
     ## Secrets must be manually created in the namespace.
@@ -508,7 +508,7 @@ sysctlImage:
   command: []
   registry: docker.io
   repository: bitnami/minideb
-  tag: stretch
+  tag: buster
   pullPolicy: Always
   ## Optionally specify an array of imagePullSecrets.
   ## Secrets must be manually created in the namespace.
diff --git a/stable/redis/ci/production-sentinel-values.yaml b/stable/redis/ci/production-sentinel-values.yaml
index 57df7dc1ab..36a00e37fb 100644
--- a/stable/redis/ci/production-sentinel-values.yaml
+++ b/stable/redis/ci/production-sentinel-values.yaml
@@ -481,7 +481,7 @@ volumePermissions:
   image:
     registry: docker.io
     repository: bitnami/minideb
-    tag: stretch
+    tag: buster
     pullPolicy: Always
     ## Optionally specify an array of imagePullSecrets.
     ## Secrets must be manually created in the namespace.
@@ -508,7 +508,7 @@ sysctlImage:
   command: []
   registry: docker.io
   repository: bitnami/minideb
-  tag: stretch
+  tag: buster
   pullPolicy: Always
   ## Optionally specify an array of imagePullSecrets.
   ## Secrets must be manually created in the namespace.
diff --git a/stable/redis/ci/production-values.yaml b/stable/redis/ci/production-values.yaml
index 7b535c9c79..6fa9c88ad3 100644
--- a/stable/redis/ci/production-values.yaml
+++ b/stable/redis/ci/production-values.yaml
@@ -482,7 +482,7 @@ volumePermissions:
   image:
     registry: docker.io
     repository: bitnami/minideb
-    tag: stretch
+    tag: buster
     pullPolicy: Always
     ## Optionally specify an array of imagePullSecrets.
     ## Secrets must be manually created in the namespace.
@@ -509,7 +509,7 @@ sysctlImage:
   command: []
   registry: docker.io
   repository: bitnami/minideb
-  tag: stretch
+  tag: buster
   pullPolicy: Always
   ## Optionally specify an array of imagePullSecrets.
   ## Secrets must be manually created in the namespace.
diff --git a/stable/redis/templates/_helpers.tpl b/stable/redis/templates/_helpers.tpl
index 8c1df0da07..3397a7b6c7 100644
--- a/stable/redis/templates/_helpers.tpl
+++ b/stable/redis/templates/_helpers.tpl
@@ -208,7 +208,7 @@ Return sysctl image
 {{- define "redis.sysctl.image" -}}
 {{- $registryName :=  default "docker.io" .Values.sysctlImage.registry -}}
 {{- $repositoryName := .Values.sysctlImage.repository -}}
-{{- $tag := default "stretch" .Values.sysctlImage.tag | toString -}}
+{{- $tag := default "buster" .Values.sysctlImage.tag | toString -}}
 {{/*
 Helm 2.11 supports the assignment of a value to a variable defined in a different scope,
 but Helm 2.9 and 2.10 doesn't support it, so we need to implement this if-else logic.