diff --git a/ansible/roles/dnf_repos/defaults/main.yml b/ansible/roles/dnf_repos/defaults/main.yml
index 17114b49d..841631890 100644
--- a/ansible/roles/dnf_repos/defaults/main.yml
+++ b/ansible/roles/dnf_repos/defaults/main.yml
@@ -17,7 +17,7 @@ dnf_repos_filenames:
 dnf_repos_version_filenames: "{{ dnf_repos_filenames[ansible_distribution_major_version] }}"
 
 # epel installed separately
-dnf_repos_repolist:
+dnf_repos_default_repolist:
 - file: "{{ dnf_repos_version_filenames.baseos }}"
   name: baseos
   base_url: "{{ dnf_repos_pulp_content_url }}/{{ appliances_pulp_repos.baseos[ansible_distribution_version] | appliances_repo_to_subpath }}"
@@ -31,5 +31,15 @@ dnf_repos_repolist:
   name: extras
   base_url: "{{ dnf_repos_pulp_content_url }}/{{ appliances_pulp_repos.extras[ansible_distribution_version] | appliances_repo_to_subpath }}"
 
+dnf_repos_openhpc_repolist:
+- name: OpenHPC
+  file: OpenHPC
+  base_url: "{{ dnf_repos_pulp_content_url }}/{{ appliances_pulp_repos.openhpc_base[ansible_distribution_major_version] | appliances_repo_to_subpath }}"
+- name: OpenHPC-updates
+  file: OpenHPC
+  base_url: "{{ dnf_repos_pulp_content_url }}/{{ appliances_pulp_repos.openhpc_updates[ansible_distribution_major_version] | appliances_repo_to_subpath }}"
+
+dnf_repos_repolist: "{{ dnf_repos_default_repolist + (dnf_repos_openhpc_repolist if (openhpc_install_type | default('ohpc')) == 'ohpc' else []) }}"
+
 dnf_repos_epel_baseurl: "{{ dnf_repos_pulp_content_url }}/{{ appliances_pulp_repos.epel[ansible_distribution_major_version] | appliances_repo_to_subpath }}"
 dnf_repos_epel_description: "epel"
diff --git a/ansible/roles/pulp_site/defaults/main.yml b/ansible/roles/pulp_site/defaults/main.yml
index 081307b6a..c0b191336 100644
--- a/ansible/roles/pulp_site/defaults/main.yml
+++ b/ansible/roles/pulp_site/defaults/main.yml
@@ -22,6 +22,10 @@ pulp_site_rpm_info:
   subpath: "{{ appliances_pulp_repos.extras[pulp_site_target_distribution_version] | appliances_repo_to_subpath }}"
 - name: "epel-{{ pulp_site_target_distribution_version_major }}-{{ appliances_pulp_repos.epel[pulp_site_target_distribution_version_major].timestamp }}"
   subpath: "{{ appliances_pulp_repos.epel[pulp_site_target_distribution_version_major] | appliances_repo_to_subpath }}"
+- name: "ohpc-{{ pulp_site_target_distribution_version_major }}-{{ appliances_pulp_repos.openhpc_base[pulp_site_target_distribution_version_major].timestamp }}"
+  subpath: "{{ appliances_pulp_repos.openhpc_base[pulp_site_target_distribution_version_major] | appliances_repo_to_subpath }}"
+- name: "ohpc-updates-{{ pulp_site_target_distribution_version_major }}-{{ appliances_pulp_repos.openhpc_updates[pulp_site_target_distribution_version_major].timestamp }}"
+  subpath: "{{ appliances_pulp_repos.openhpc_updates[pulp_site_target_distribution_version_major] | appliances_repo_to_subpath }}"
 
 pulp_site_rpm_repo_defaults:
   remote_username: "{{ pulp_site_upstream_username }}"
diff --git a/environments/.stackhpc/terraform/cluster_image.auto.tfvars.json b/environments/.stackhpc/terraform/cluster_image.auto.tfvars.json
index f9e568c3f..943a2dfbd 100644
--- a/environments/.stackhpc/terraform/cluster_image.auto.tfvars.json
+++ b/environments/.stackhpc/terraform/cluster_image.auto.tfvars.json
@@ -1,6 +1,6 @@
 {
     "cluster_image": {
-        "RL8": "openhpc-RL8-250102-1138-77cfc703",
-        "RL9": "openhpc-RL9-250102-1139-77cfc703"
+        "RL8": "openhpc-RL8-250106-0916-f8603056",
+        "RL9": "openhpc-RL9-250106-0916-f8603056"
     }
 }
diff --git a/environments/common/inventory/group_vars/all/defaults.yml b/environments/common/inventory/group_vars/all/defaults.yml
index f32d14c60..e052eb709 100644
--- a/environments/common/inventory/group_vars/all/defaults.yml
+++ b/environments/common/inventory/group_vars/all/defaults.yml
@@ -151,3 +151,18 @@ appliances_pulp_repos:
     '8':
       timestamp: 20241216T235733
       path: epel/8/Everything/x86_64
+  openhpc_base:
+    '8':
+      path: OpenHPC/2/EL_8
+      timestamp: 20241218T154614
+    '9':
+      path: OpenHPC/3/EL_9
+      timestamp: 20241218T154614
+  openhpc_updates:
+    '8':
+      path: OpenHPC/2/updates/EL_8
+      timestamp: 20241218T154614
+    '9':
+      path: OpenHPC/3/updates/EL_9
+      timestamp: 20241218T154614
+      
diff --git a/environments/common/inventory/group_vars/all/openhpc.yml b/environments/common/inventory/group_vars/all/openhpc.yml
index e3d20b9c3..3b3879de9 100644
--- a/environments/common/inventory/group_vars/all/openhpc.yml
+++ b/environments/common/inventory/group_vars/all/openhpc.yml
@@ -39,6 +39,15 @@ openhpc_config_extra: {}
 openhpc_config: "{{ openhpc_config_default | combine(openhpc_config_extra, list_merge='append') }}"
 openhpc_state_save_location: "{{ appliances_state_dir + '/slurmctld' if appliances_state_dir is defined else '/var/spool' }}"
 
+openhpc_install_type: ohpc # 'ohpc' or 'generic', see https://github.com/stackhpc/ansible-slurm-appliance/pull/326
+
+# Empty repo lists from stackhpc.openhpc role defaults, as these repofiles are
+# now generated by dnf_repos to allow injecting Ark creds:
+ohpc_openhpc_repos:
+  "9": []
+  "8": []
+
+# overriding to ensure doesn't overwrite Ark epel repo
 ohpc_default_extra_repos:
-  "9": [] #overriding to ensure doesn't overwrite ark epel repo
+  "9": []
   "8": []