diff --git a/charts/renovate/README.md b/charts/renovate/README.md
index 90e23ecb5..1dda6c6d9 100644
--- a/charts/renovate/README.md
+++ b/charts/renovate/README.md
@@ -39,6 +39,7 @@ The following table lists the configurable parameters of the chart and the defau
 
 | Key | Type | Default | Description |
 |-----|------|---------|-------------|
+| apiVersionOverrides.cronjob | string | `""` | String to override apiVersion of cronjob rendered by this helm chart |
 | cronjob.annotations | object | `{}` |  |
 | cronjob.concurrencyPolicy | string | `""` |  |
 | cronjob.failedJobsHistoryLimit | string | `""` |  |
@@ -47,11 +48,11 @@ The following table lists the configurable parameters of the chart and the defau
 | cronjob.labels | object | `{}` |  |
 | cronjob.schedule | string | `"0 1 * * *"` |  |
 | cronjob.successfulJobsHistoryLimit | string | `""` |  |
-| dind.enabled | bool | `false` |  |
+| dind.enabled | bool | `false` | Enable dind sidecar usage? |
 | dind.image.pullPolicy | string | `"IfNotPresent"` |  |
 | dind.image.repository | string | `"docker.io/library/docker"` |  |
 | dind.image.tag | string | `"20.10.7-dind"` |  |
-| dind.slim.enabled | bool | `true` |  |
+| dind.slim.enabled | bool | `true` | Do not add `-slim` suffix to image tag when using dind |
 | env | object | `{}` |  |
 | envFrom | list | `[]` |  |
 | existingSecret | string | `""` |  |
@@ -61,12 +62,12 @@ The following table lists the configurable parameters of the chart and the defau
 | imagePullSecrets | object | `{}` |  |
 | pod.annotations | object | `{}` |  |
 | pod.labels | object | `{}` |  |
-| redis.cluster.enabled | bool | `false` |  |
-| redis.enabled | bool | `false` |  |
+| redis.cluster.enabled | bool | `false` | Do not use clustering, not supported by renovate |
+| redis.enabled | bool | `false` | Enable the Redis subchart? |
 | redis.nameOverride | string | `"redis"` |  |
 | redis.usePassword | bool | `false` |  |
-| renovate.config | string | `""` |  |
-| renovate.existingConfigFile | string | `""` |  |
+| renovate.config | string | `""` | Inline global renovate config.json |
+| renovate.existingConfigFile | string | `""` | Custom exiting global renovate config |
 | resources | object | `{}` |  |
 | secrets | object | `{}` |  |
 | serviceAccount.annotations | object | `{}` |  |
diff --git a/charts/renovate/templates/cronjob.yaml b/charts/renovate/templates/cronjob.yaml
index 12c40863a..4c5f97952 100644
--- a/charts/renovate/templates/cronjob.yaml
+++ b/charts/renovate/templates/cronjob.yaml
@@ -1,10 +1,12 @@
-  {{- if .Capabilities.APIVersions.Has "batch/v1/CronJob" }}
+{{- if .Values.apiVersionOverrides.cronjob -}}
+apiVersion: {{ .Values.apiVersionOverrides.cronjob }}
+{{- else if .Capabilities.APIVersions.Has "batch/v1/CronJob" }}
 apiVersion: batch/v1
-  {{- else if .Capabilities.APIVersions.Has "batch/v1beta1/CronJob" }}
+{{- else if .Capabilities.APIVersions.Has "batch/v1beta1/CronJob" }}
 apiVersion: batch/v1beta1
-  {{- else }}
-    {{- fail "\n\n ERROR: You must have at least batch/v1beta1 to use CronJob" }}
-  {{- end }}
+{{- else }}
+  {{- fail "\n\n ERROR: You must have at least batch/v1beta1 to use CronJob" }}
+{{- end }}
 kind: CronJob
 metadata:
   name: {{ include "renovate.fullname" . }}
diff --git a/charts/renovate/values.yaml b/charts/renovate/values.yaml
index bf492777d..e35e84f85 100644
--- a/charts/renovate/values.yaml
+++ b/charts/renovate/values.yaml
@@ -21,7 +21,9 @@ image:
 imagePullSecrets: {}
 
 renovate:
+  # -- Custom exiting global renovate config
   existingConfigFile: ''
+  # -- Inline global renovate config.json
   config: ''
   # See https://docs.renovatebot.com/self-hosted-configuration
   # config: |
@@ -50,9 +52,10 @@ secrets: {}
 existingSecret: ''
 
 dind:
-  # Enable dind sidecar?
+  # -- Enable dind sidecar usage?
   enabled: false
   slim:
+    # -- Do not add `-slim` suffix to image tag when using dind
     enabled: true
   image:
     repository: docker.io/library/docker
@@ -89,7 +92,7 @@ redis:
   # Configuration for a Redis subchart. Additional documenation at
   # https://github.com/bitnami/charts/tree/master/bitnami/redis
 
-  # Enable the Redis subchart?
+  # -- Enable the Redis subchart?
   enabled: false
 
   # Must be defined since redis.fullname references .Chart.Name which is different in the subchart.
@@ -98,7 +101,15 @@ redis:
 
   # Disable clustering by default
   cluster:
+    # -- Do not use clustering, not supported by renovate
     enabled: false
 
   # Don't require a password by default
   usePassword: false
+
+# Override APIVersions
+# If you want to template helm charts but cannot access k8s API server
+# you can set api versions here
+apiVersionOverrides:
+  # -- String to override apiVersion of cronjob rendered by this helm chart
+  cronjob: ''