diff --git a/ansible/inventory/group_vars/all/source-repositories b/ansible/inventory/group_vars/all/source-repositories
index 3ef2e4a5..d7d01997 100644
--- a/ansible/inventory/group_vars/all/source-repositories
+++ b/ansible/inventory/group_vars/all/source-repositories
@@ -325,6 +325,10 @@ source_repositories:
       - "2023.1"
       - zed
       - yoga
+    workflows:
+      per_release_ignored_workflows:
+        "2026.1":
+          - tox
     community_files:
       - codeowners:
           content: "{{ community_files.codeowners.openstack }}"
diff --git a/ansible/roles/source-repo-sync/tasks/configure_repository.yml b/ansible/roles/source-repo-sync/tasks/configure_repository.yml
index 9f9b2a6c..fd144917 100644
--- a/ansible/roles/source-repo-sync/tasks/configure_repository.yml
+++ b/ansible/roles/source-repo-sync/tasks/configure_repository.yml
@@ -34,7 +34,9 @@
     workflow_manifest:
       branch: "{{ branch_name }}"
       prefix: "stackhpc/"
-      workflows: "{{ repository_manifest.workflows.elsewhere }}"
+      workflows: >-
+        {{ repository_manifest.workflows.elsewhere
+           | difference(repository_manifest.workflows.per_release_ignored_workflows[branch_name | string] | default([])) }}
       workflow_args: "{{ repository_manifest.workflow_args }}"
   when: repository_manifest.copy_workflows and repository_manifest.releases is defined
   with_items: "{{ repository_manifest.releases }}"
diff --git a/ansible/roles/source-repo-sync/tasks/main.yml b/ansible/roles/source-repo-sync/tasks/main.yml
index 8fc2e39a..21119def 100644
--- a/ansible/roles/source-repo-sync/tasks/main.yml
+++ b/ansible/roles/source-repo-sync/tasks/main.yml
@@ -22,6 +22,7 @@
           union(item.value.workflows.additional_workflows.default_branch_only | default([])) }}"
         elsewhere: "{{ openstack_workflows.elsewhere | difference(item.value.workflows.ignored_workflows.elsewhere | default([])) | union(item.value.workflows.additional_workflows.elsewhere
           | default([])) }}"
+        per_release_ignored_workflows: "{{ item.value.workflows.per_release_ignored_workflows | default({}, true) }}"
       workflow_args: "{{ item.value.workflow_args | default({}) }}"
       copy_workflows: "{{ item.value.copy_workflows | default(true) }}"
       community_files: "{{ item.value.community_files | default({}) }}"
diff --git a/terraform/github/terraform.tfvars.json b/terraform/github/terraform.tfvars.json
index 11e6c000..6a2ef7cc 100644
--- a/terraform/github/terraform.tfvars.json
+++ b/terraform/github/terraform.tfvars.json
@@ -341,6 +341,13 @@
     "neutron": {
       "default": []
     },
+    "nova": {
+      "default": [
+        "tox / Tox pep8 with Python 3.12",
+        "tox / Tox py3 with Python 3.12"
+      ],
+      "stackhpc/2026.1": []
+    },
     "octavia-dashboard": {
       "default": []
     },