diff --git a/content/docs/observability/deployment/online.md b/content/docs/observability/deployment/online.md
index 8beca80c6a..3714c064c6 100644
--- a/content/docs/observability/deployment/online.md
+++ b/content/docs/observability/deployment/online.md
@@ -59,6 +59,7 @@ Usage: ./karavi-observability-install.sh mode options...
 Mode:
   install                                                     Installs Karavi Observability and enables Karavi Authorization if already installed
   enable-authorization                                        Updates existing installation of Karavi Observability with Karavi Authorization
+  upgrade                                                     Upgrades existing installation of Karavi Observability to the latest release
 Options:
   Required
   --namespace[=]<namespace>                                   Namespace where Karavi Observability will be installed
diff --git a/content/docs/observability/upgrade/_index.md b/content/docs/observability/upgrade/_index.md
index b8eafe9dc9..60b38c2850 100644
--- a/content/docs/observability/upgrade/_index.md
+++ b/content/docs/observability/upgrade/_index.md
@@ -6,24 +6,24 @@ description: >
   Dell EMC Container Storage Modules (CSM) for Observability Upgrade
 ---
 
-CSM for Observability can only be upgraded via the Helm chart following the instructions below.
-
-CSM for Observability Helm upgrade can be used if the initial deployment was performed using the [Helm chart](../deployment/helm) or [Online Installer](../deployment/online).
-
->Note: The [Offline Installer](../deployment/offline) does not support upgrade.
+This section outlines the upgrade steps for Container Storage Modules (CSM) for Observability. CSM for Observability upgrade can be achieved in one of two ways:
 
+- Helm Chart Upgrade
+- Online Installer Upgrade
 
 ## Helm Chart Upgrade
 
+CSM for Observability Helm upgrade supports [Helm](../deployment/helm), [Online Installer](../deployment/online), and [Offline Installer](../deployment/offline) deployments. 
+
 To upgrade an existing Helm installation of CSM for Observability to the latest release, download the latest Helm charts.
 
-```console
+```
 helm repo update
 ```
 
 Check if the latest Helm chart version is available:
 
-```console
+```
 helm search repo dell
 NAME                            CHART VERSION   APP VERSION     DESCRIPTION
 dell/karavi-observability       1.0.1           1.0.0           CSM for Observability is part of the [Container...
@@ -33,8 +33,50 @@ dell/karavi-observability       1.0.1           1.0.0           CSM for Observab
 
 Upgrade to the latest CSM for Observability release:
 
-```console
-$ helm upgrade --version $latest_chart_version --values values.yaml karavi-observability dell/karavi-observability -n $namespace
 ```
+Upgrade Helm and Online Installer deployments:
+
+  $ helm upgrade --version $latest_chart_version --values values.yaml karavi-observability dell/karavi-observability -n $namespace
+
+Upgrade Offline Installer deployment:
+
+  $ helm upgrade --version $latest_chart_version karavi-observability dell/karavi-observability -n $namespace
+```
+
+The [configuration](../deployment/helm#configuration) section lists all the parameters that can be configured using the `values.yaml` file.
+
+## Online Installer Upgrade
+
+CSM for Observability online installer upgrade can be used if the initial deployment was performed using the [Online Installer](../deployment/online) or [Helm](../deployment/helm).
+
+1. Change to the installer directory:
+    ```
+    [user@system /home/user]# cd karavi-observability/installer
+    ```
+2. Update `values.yaml` file as needed. Configuration options are outlined in the [Helm chart deployment section](../deployment/helm#configuration).
 
-The [configuration](../deployment/helm#configuration) section lists all the parameters that can be configured using the values.yaml file.
\ No newline at end of file
+2. Execute the `./karavi-observability-install.sh` script:
+    ```
+    [user@system /home/user/karavi-observability/installer]# ./karavi-observability-install.sh upgrade --namespace $namespace --values myvalues.yaml --version $latest_chart_version
+    ---------------------------------------------------------------------------------
+    >  Upgrading Karavi Observability in namespace karavi on 1.21
+    ---------------------------------------------------------------------------------
+    |
+    |- Karavi Observability is installed. Upgrade can continue          Success
+    |
+    |- Verifying Kubernetes versions
+      |
+      |--> Verifying minimum Kubernetes version                         Success
+      |
+      |--> Verifying maximum Kubernetes version                         Success
+    |
+    |- Verifying helm version                                           Success
+    |
+    |- Upgrading CertManager CRDs                                       Success
+    |
+    |- Updating helm repositories                                       Success
+    |
+    |- Upgrading Karavi Observability helm chart                        Success
+    |
+    |- Waiting for pods in namespace karavi to be ready                 Success
+    ```