diff --git a/charts/aisix-cp/Chart.yaml b/charts/aisix-cp/Chart.yaml
index d259f41..f899bb8 100644
--- a/charts/aisix-cp/Chart.yaml
+++ b/charts/aisix-cp/Chart.yaml
@@ -2,8 +2,8 @@ apiVersion: v2
 name: aisix-cp
 description: Helm chart for AISIX control plane (cp-api, dp-manager, dashboard)
 type: application
-version: 0.8.2
-appVersion: "0.8.2"
+version: 0.9.0
+appVersion: "0.9.0"
 
 maintainers:
   - name: API7
diff --git a/charts/aisix-cp/README.md b/charts/aisix-cp/README.md
index f417d15..e14b92d 100644
--- a/charts/aisix-cp/README.md
+++ b/charts/aisix-cp/README.md
@@ -1,6 +1,6 @@
 # aisix-cp
 
-![Version: 0.8.2](https://img.shields.io/badge/Version-0.8.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.8.2](https://img.shields.io/badge/AppVersion-0.8.2-informational?style=flat-square)
+![Version: 0.9.0](https://img.shields.io/badge/Version-0.9.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.9.0](https://img.shields.io/badge/AppVersion-0.9.0-informational?style=flat-square)
 
 Helm chart for AISIX control plane (cp-api, dp-manager, dashboard)
 
diff --git a/charts/aisix-cp/templates/api-deployment.yaml b/charts/aisix-cp/templates/api-deployment.yaml
index 2da0c9a..c187032 100644
--- a/charts/aisix-cp/templates/api-deployment.yaml
+++ b/charts/aisix-cp/templates/api-deployment.yaml
@@ -96,12 +96,25 @@ spec:
           # can outlast the liveness budget below and kill the pod
           # MID-MIGRATION. The startupProbe suspends liveness and
           # readiness until the server is actually up.
+          #
+          # 30 minutes, because a migration that REWRITES a table is
+          # bounded by table size, not by a fixed bootstrap cost. The
+          # 0.9.0 widening of dpmgr_usage_events.request_id (uuid ->
+          # text) measured 6m21s on 10M rows — roughly what 30 days of
+          # retention holds at a sustained 4 req/s — and it scales
+          # linearly from there. The previous 5-minute budget would have
+          # turned that upgrade into the exact crash loop this probe
+          # exists to prevent.
+          #
+          # The cost is that a genuinely wedged cp-api goes unrestarted
+          # for up to 30 minutes on FIRST start only; once the probe
+          # succeeds, the liveness budget below takes over unchanged.
           startupProbe:
             httpGet:
               path: /healthz
               port: http
             periodSeconds: 5
-            failureThreshold: 60
+            failureThreshold: 360
           livenessProbe:
             httpGet:
               path: /healthz
diff --git a/charts/aisix/Chart.yaml b/charts/aisix/Chart.yaml
index 984162f..009d1e5 100644
--- a/charts/aisix/Chart.yaml
+++ b/charts/aisix/Chart.yaml
@@ -2,8 +2,8 @@ apiVersion: v2
 name: aisix
 description: Helm chart for the AISIX AI gateway data plane
 type: application
-version: 0.8.2
-appVersion: "0.8.2"
+version: 0.9.0
+appVersion: "0.9.0"
 
 keywords:
   - ai-gateway
diff --git a/charts/aisix/README.md b/charts/aisix/README.md
index 66fe165..53b78fa 100644
--- a/charts/aisix/README.md
+++ b/charts/aisix/README.md
@@ -1,6 +1,6 @@
 # aisix
 
-![Version: 0.8.2](https://img.shields.io/badge/Version-0.8.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.8.2](https://img.shields.io/badge/AppVersion-0.8.2-informational?style=flat-square)
+![Version: 0.9.0](https://img.shields.io/badge/Version-0.9.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.9.0](https://img.shields.io/badge/AppVersion-0.9.0-informational?style=flat-square)
 
 Helm chart for the AISIX AI gateway data plane