diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ab07bdf952acded56f0f6fddf653d705ca257d3..ca0058ba0a78fefb7d8161afdebe114a34da337a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,15 +3,11 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ---
-## [5.5.1-bb.6] 2025-02-26
-### Added
-
-- Added pre-upgrade job to remove MinIO Tenant Pool prior to upgrade
-
-## [5.5.1-bb.5] 2025-02-14
+## [5.5.1-bb.5] 2025-02-26
 ### Changed
 
 - MinIO Tenant Pool from 4 to 1 server
+- Added pre-upgrade job to remove MinIO Tenant Pool prior to upgrade
 
 ## [5.5.1-bb.4] 2025-01-31
 ### Added
diff --git a/README.md b/README.md
index 1cec15e167bac2805815465e40e2c07fa337a3b0..8a5da3789643ff5aba81bd506ac67d6e0c87ff78 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 <!-- Warning: Do not manually edit this file. See notes on gluon + helm-docs at the end of this file for more information. -->
 # mimir
 
-![Version: 5.5.1-bb.6](https://img.shields.io/badge/Version-5.5.1--bb.6-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.14.2](https://img.shields.io/badge/AppVersion-2.14.2-informational?style=flat-square) ![Maintenance Track: unknown](https://img.shields.io/badge/Maintenance_Track-unknown-red?style=flat-square)
+![Version: 5.5.1-bb.5](https://img.shields.io/badge/Version-5.5.1--bb.5-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.14.2](https://img.shields.io/badge/AppVersion-2.14.2-informational?style=flat-square) ![Maintenance Track: unknown](https://img.shields.io/badge/Maintenance_Track-unknown-red?style=flat-square)
 
 Grafana Mimir
 
@@ -58,8 +58,8 @@ helm install mimir chart/
 | istio.mtls.mode | string | `"STRICT"` | STRICT = Allow only mutual TLS traffic, PERMISSIVE = Allow both plain text and mutual TLS traffic |
 | upgradeJob.enabled | bool | `true` |  |
 | upgradeJob.name | string | `"mimir-upgrade-job"` |  |
-| upgradeJob.image.repository | string | `"registry1.dso.mil/ironbank/opensource/kubernetes/kubectl"` |  |
-| upgradeJob.image.tag | string | `"v1.30.9"` |  |
+| upgradeJob.image.repository | string | `"registry1.dso.mil/ironbank/big-bang/base"` | image repository for upgradeJob |
+| upgradeJob.image.tag | string | `"2.1.0"` | image tag for upgradeJob |
 | upgradeJob.image.imagePullPolicy | string | `"IfNotPresent"` |  |
 | upgradeJob.image.pullSecrets | string | `"private-registry"` |  |
 | upgradeJob.serviceAccount | string | `"upgrade-job-svc-account"` |  |
diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index 3a2aeae31fccf965f639c078bed8eba720beaa89..25c244002e54d6ee8a9be88ea5c9feba053ca2fa 100644
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: mimir
 description: Grafana Mimir
 type: application
-version: 5.5.1-bb.6
+version: 5.5.1-bb.5
 appVersion: 2.14.2
 icon: https://raw.githubusercontent.com/grafana/grafana/main/public/img/grafana_icon.svg
 sources: