diff --git a/components/docs-chef-io/content/automate/ha_aws_deployment_prerequisites.md b/components/docs-chef-io/content/automate/ha_aws_deployment_prerequisites.md
index 8cee7735b91..24bac4b4562 100644
--- a/components/docs-chef-io/content/automate/ha_aws_deployment_prerequisites.md
+++ b/components/docs-chef-io/content/automate/ha_aws_deployment_prerequisites.md
@@ -46,11 +46,12 @@ The operating system and the supported version for different nodes in AWS deploy
 
 | Operating Systems                    | Supported Version                                                                                                                                                                                                                                         |
 |:-------------------------------------|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| Red Hat Enterprise Linux (64 Bit OS) | 7, 8. For 8 or above versions, the **SELinux** configuration must be permissive. The **SELinux** configuration is enforced in RHEL 8. Red Hat Enterprise Linux derivatives include Amazon Linux v1 (using RHEL 6 packages) and v2 (using RHEL 7packages). |
+| Red Hat Enterprise Linux (64 Bit OS) | 7, 8, 9. For 8 or above versions, the **SELinux** configuration must be permissive. The **SELinux** configuration is enforced in RHEL 8 and 9. Red Hat Enterprise Linux derivatives include Amazon Linux v1 (using RHEL 6 packages) and v2 (using RHEL 7packages). |
 | Ubuntu (64 Bit OS)                   | 16.04.x, 18.04.x, 20.04.x                                                                                                                                                                                                                                 |
 | Centos (64 Bit OS)                   | 7                                                                                                                                                                                                                                                         |
 | Amazon Linux 2 (64 Bit OS)           | 2 (kernel 5.10)                                                                                                                                                                                                                                           |
 | SUSE Linux Enterprise Server         | 12.5                                                                                              |
+| Oracle Linux                         | 9                                                                                                 |
 
 Please provide AMI Id as per above list of supported operating systems.
 
diff --git a/components/docs-chef-io/content/automate/ha_on_premises_deployment_prerequisites.md b/components/docs-chef-io/content/automate/ha_on_premises_deployment_prerequisites.md
index c54d3a3821e..d6aa863228c 100644
--- a/components/docs-chef-io/content/automate/ha_on_premises_deployment_prerequisites.md
+++ b/components/docs-chef-io/content/automate/ha_on_premises_deployment_prerequisites.md
@@ -54,11 +54,12 @@ The operating system and the supported version for different nodes in the on-pre
 
 | Operating Systems                        | Supported Version         |
 | :--------------------------------------  | :-----------------------  |
-| Red Hat Enterprise Linux (64 Bit OS)     | 7, 8. For 8 or above versions, the **SELinux** configuration must be permissive. The **SELinux** configuration is enforced in RHEL 8. Red Hat Enterprise Linux derivatives include Amazon Linux v1 (using RHEL 6 packages) and v2 (using RHEL 7packages). |
+| Red Hat Enterprise Linux (64 Bit OS)     | 7, 8, 9 . For 8 or above versions, the **SELinux** configuration must be permissive. The **SELinux** configuration is enforced in RHEL 8 and 9. Red Hat Enterprise Linux derivatives include Amazon Linux v1 (using RHEL 6 packages) and v2 (using RHEL 7packages). |
 | Ubuntu (64 Bit OS)                       | 16.04.x, 18.04.x, 20.04.x |
 | Centos (64 Bit OS)                       | 7                         |
 | Amazon Linux 2 (64 Bit OS)               | 2 (kernel 5.10)           |
 | SUSE Linux Enterprise Server             | 12.5                      |
+| Oracle Linux                             | 9                         |
 
 ### Minimum Supported Chef Tool Versions