diff --git a/charts/atlantis/Chart.yaml b/charts/atlantis/Chart.yaml
index 129465e2..6b0c757f 100644
--- a/charts/atlantis/Chart.yaml
+++ b/charts/atlantis/Chart.yaml
@@ -3,7 +3,7 @@ apiVersion: v1
 appVersion: v0.32.0
 description: A Helm chart for Atlantis https://www.runatlantis.io
 name: atlantis
-version: 5.12.0
+version: 5.13.0
 keywords:
   - terraform
 home: https://www.runatlantis.io
diff --git a/charts/atlantis/README.md b/charts/atlantis/README.md
index 33f5610f..e946d818 100644
--- a/charts/atlantis/README.md
+++ b/charts/atlantis/README.md
@@ -88,7 +88,7 @@ extraManifests:
 | command | list | `[]` | Override the command field of the Atlantis container. |
 | commonLabels | object | `{}` | Common Labels for all resources created by this chart. |
 | config | string | `""` | Override atlantis main configuration by config map, ref: https://www.runatlantis.io/docs/using-slack-hooks.html#configuring-atlantis. Check values.yaml for examples. |
-| containerPort | string | `nil` | When set, ignores the port specified by the Service's targetPort attribute. This is relevant when another container is injected into the same Pod. |
+| containerPort | int | `0` | as (int) [optional] Define the port you would like atlantis to run on. Defaults to 4141. |
 | containerSecurityContext | object | `{}` | Check values.yaml for examples. |
 | customPem | string | `""` | Allows to override the /etc/ssl/certs/ca-certificates.cer with your custom one. You have to create a secret with the specified name. |
 | dataStorage | string | `""` | DEPRECATED - Disk space available to check out repositories. Example: 5Gi. |
diff --git a/charts/atlantis/values.yaml b/charts/atlantis/values.yaml
index b539359d..1be213c4 100644
--- a/charts/atlantis/values.yaml
+++ b/charts/atlantis/values.yaml
@@ -172,9 +172,8 @@ serviceAccountSecrets: {}
 # Default values for atlantis (override as needed).
 ## -------------------------- ##
 
-# -- When set, ignores the port specified by the Service's targetPort attribute.
-# This is relevant when another container is injected into the same Pod.
-containerPort:
+# --as (int) [optional] Define the port you would like atlantis to run on. Defaults to 4141.
+containerPort: 0
 
 image:
   repository: ghcr.io/runatlantis/atlantis