diff --git a/contrib/helm/charts/probo/CHANGELOG.md b/contrib/helm/charts/probo/CHANGELOG.md
index 9758c88e5..156d7bbbb 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
 
+## [0.9.0] - 2026-06-24
+
+### Breaking Changes
+
+- **Bootstrap env var names now use the `PROBOD_` prefix** (e.g. `AUTH_COOKIE_SECRET` → `PROBOD_AUTH_COOKIE_SECRET`), matching probod-bootstrap v0.2.0. Existing env injection must be updated before upgrading.
+
+### Changed
+
+- Default `appVersion` updated to `probod v0.219.0`
+
 ## [0.8.0] - 2026-06-19
 
 ### Added
diff --git a/contrib/helm/charts/probo/Chart.yaml b/contrib/helm/charts/probo/Chart.yaml
index e65da3854..5e0172eda 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: 0.8.0
-appVersion: "0.216.0"
+version: 0.9.0
+appVersion: "0.219.0"
 keywords:
   - compliance
   - soc2