diff --git a/charts/rstudio-pm/Chart.yaml b/charts/rstudio-pm/Chart.yaml
index aee75c8db..50d458ff3 100644
--- a/charts/rstudio-pm/Chart.yaml
+++ b/charts/rstudio-pm/Chart.yaml
@@ -1,6 +1,6 @@
 name: rstudio-pm
 description: Official Helm chart for Posit Package Manager
-version: 0.5.53
+version: 0.20.0
 apiVersion: v2
 appVersion: 2025.12.0
 icon: https://raw.githubusercontent.com/rstudio/helm/main/images/posit-icon-fullcolor.svg
@@ -18,8 +18,8 @@ dependencies:
     repository: https://helm.rstudio.com
 annotations:
   artifacthub.io/images: |
-    - name: rstudio-package-manager
-      image: rstudio/rstudio-package-manager:ubuntu2204-2025.12.0
+    - name: package-manager
+      image: posit/package-manager:2025.12.0-ubuntu-24.04
   artifacthub.io/license: MIT
   artifacthub.io/links: |
     - name: RStudio Community
diff --git a/charts/rstudio-pm/NEWS.md b/charts/rstudio-pm/NEWS.md
index cf526007f..84f70433f 100644
--- a/charts/rstudio-pm/NEWS.md
+++ b/charts/rstudio-pm/NEWS.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.20.0
+
+- BREAKING: Default images now use `posit/package-manager` instead of `rstudio/rstudio-package-manager`
+- BREAKING: Image tag format changed from `{os}{version}` (e.g. `ubuntu2204-2025.12.0`) to `{version}-{os}` (e.g. `2025.12.0-ubuntu-24.04`)
+- BREAKING: `image.tagPrefix` replaced by `image.os`
+
 ## 0.5.53
 
 - Update chart icon to Posit icon
diff --git a/charts/rstudio-pm/README.md b/charts/rstudio-pm/README.md
index cd7805a8d..2393677f5 100644
--- a/charts/rstudio-pm/README.md
+++ b/charts/rstudio-pm/README.md
@@ -1,6 +1,6 @@
 # Posit Package Manager
 
-![Version: 0.5.53](https://img.shields.io/badge/Version-0.5.53-informational?style=flat-square) ![AppVersion: 2025.12.0](https://img.shields.io/badge/AppVersion-2025.12.0-informational?style=flat-square)
+![Version: 0.20.0](https://img.shields.io/badge/Version-0.20.0-informational?style=flat-square) ![AppVersion: 2025.12.0](https://img.shields.io/badge/AppVersion-2025.12.0-informational?style=flat-square)
 
 #### _Official Helm chart for Posit Package Manager_
 
@@ -24,11 +24,11 @@ To ensure a stable production deployment:
 
 ## Installing the chart
 
-To install the chart with the release name `my-release` at version 0.5.53:
+To install the chart with the release name `my-release` at version 0.20.0:
 
 ```{.bash}
 helm repo add rstudio https://helm.rstudio.com
-helm upgrade --install my-release rstudio/rstudio-pm --version=0.5.53
+helm upgrade --install my-release rstudio/rstudio-pm --version=0.20.0
 ```
 
 To explore other chart versions, look at:
@@ -209,9 +209,9 @@ The Helm `config` values are converted into the `rstudio-pm.gcfg` service config
 | fullnameOverride | string | `""` | the full name of the release (can be overridden) |
 | image.imagePullPolicy | string | `"IfNotPresent"` | the imagePullPolicy for the main pod image |
 | image.imagePullSecrets | list | `[]` | an array of kubernetes secrets for pulling the main pod image from private registries |
-| image.repository | string | `"rstudio/rstudio-package-manager"` | the repository to use for the main pod image |
-| image.tag | string | `""` | the tag to use for the main pod image |
-| image.tagPrefix | string | `"ubuntu2204-"` | A tag prefix for the server image (common selection: ubuntu2204-). Only used if tag is not defined |
+| image.os | string | `"ubuntu-24.04"` | The OS version for the image tag (e.g. ubuntu-24.04, ubuntu-22.04). Only used if tag is not defined |
+| image.repository | string | `"posit/package-manager"` | the repository to use for the main pod image |
+| image.tag | string | `""` | the tag to use for the main pod image. Overrides os and appVersion |
 | ingress.annotations | object | `{}` |  |
 | ingress.enabled | bool | `false` |  |
 | ingress.hosts | string | `nil` |  |
diff --git a/charts/rstudio-pm/templates/deployment.yaml b/charts/rstudio-pm/templates/deployment.yaml
index e5e38a1ec..f404d3190 100644
--- a/charts/rstudio-pm/templates/deployment.yaml
+++ b/charts/rstudio-pm/templates/deployment.yaml
@@ -80,7 +80,7 @@ spec:
       containers:
       - name: rspm
         {{- $defaultVersion := .Values.versionOverride | default $.Chart.AppVersion }}
-        {{- $imageTag := .Values.image.tag | default (printf "%s%s" .Values.image.tagPrefix $defaultVersion )}}
+        {{- $imageTag := .Values.image.tag | default (printf "%s-%s" $defaultVersion .Values.image.os )}}
         image: "{{ .Values.image.repository }}:{{ $imageTag }}"
         env:
         {{- include "rstudio-library.license-env" (dict "license" ( .Values.license ) "product" ("rstudio-pm") "envVarPrefix" ("RSPM") "fullName" (include "rstudio-pm.fullname" .)) | nindent 8 }}
diff --git a/charts/rstudio-pm/values.yaml b/charts/rstudio-pm/values.yaml
index d1f9a38ca..fa2e832e2 100644
--- a/charts/rstudio-pm/values.yaml
+++ b/charts/rstudio-pm/values.yaml
@@ -33,10 +33,10 @@ sharedStorage:
 
 image:
   # -- the repository to use for the main pod image
-  repository: rstudio/rstudio-package-manager
-  # -- A tag prefix for the server image (common selection: ubuntu2204-). Only used if tag is not defined
-  tagPrefix: ubuntu2204-
-  # -- the tag to use for the main pod image
+  repository: posit/package-manager
+  # -- The OS version for the image tag (e.g. ubuntu-24.04, ubuntu-22.04). Only used if tag is not defined
+  os: "ubuntu-24.04"
+  # -- the tag to use for the main pod image. Overrides os and appVersion
   tag: ""
   # -- the imagePullPolicy for the main pod image
   imagePullPolicy: IfNotPresent