diff --git a/contrib/helm/charts/probo/CHANGELOG.md b/contrib/helm/charts/probo/CHANGELOG.md
index c36f68e8e..f50a99c8b 100644
--- a/contrib/helm/charts/probo/CHANGELOG.md
+++ b/contrib/helm/charts/probo/CHANGELOG.md
@@ -4,6 +4,16 @@ All notable changes to the Probo Helm chart will be documented in this file.
 
 ## Unreleased
 
+## [0.13.0] - 2026-07-29
+
+### Added
+
+- `probo.auth.cookieSameSite` Helm value to configure the auth cookie's `SameSite` attribute (`lax`, `strict`, or `none`; default: `lax`)
+
+### Changed
+
+- Default `appVersion` updated to `probod v0.240.0`
+
 ## [0.12.0] - 2026-07-28
 
 ### Added
diff --git a/contrib/helm/charts/probo/Chart.yaml b/contrib/helm/charts/probo/Chart.yaml
index 672307118..b14adcbc5 100644
--- a/contrib/helm/charts/probo/Chart.yaml
+++ b/contrib/helm/charts/probo/Chart.yaml
@@ -2,8 +2,8 @@ apiVersion: v2
 name: probo
 description: A Helm chart for deploying Probo - Open Source Compliance Platform
 type: application
-version: 0.12.0
-appVersion: "0.238.0"
+version: 0.13.0
+appVersion: "0.240.0"
 keywords:
   - compliance
   - soc2