diff --git a/zuul.d/jobs.yaml b/zuul.d/jobs.yaml
index dacff17..0a25e63 100644
--- a/zuul.d/jobs.yaml
+++ b/zuul.d/jobs.yaml
@@ -42,6 +42,7 @@
       - ^.*/jammy
       - ^.*/yoga
       - ^.*/2024.1
+      - legacy
 
 - job:
     name: openstack-tox-pep8-charm-noble
diff --git a/zuul.d/project-templates.yaml b/zuul.d/project-templates.yaml
index 16f0951..a644f83 100644
--- a/zuul.d/project-templates.yaml
+++ b/zuul.d/project-templates.yaml
@@ -83,6 +83,7 @@
               - stable/jammy
               - stable/yoga
               - stable/2024.1
+              - legacy
         - openstack-tox-cover-charm-noble:
             branches:
               - stable/noble
@@ -137,3 +138,19 @@
       jobs:
         - openstack-tox-pep8-charm-jammy
         - openstack-tox-py310
+
+- project-template:
+    name: openstack-python3-charm-jobs-legacy
+    description: |
+      Runs unit tests for an OpenStack Charm project under the CPython
+      version 3 releases designated for testing across OpenStack
+      releases on 'legacy' stable branches. These are the same jobs
+      as stable/2024.1.
+    check:
+      jobs:
+        - openstack-tox-pep8-charm-jammy
+        - openstack-tox-py310
+    gate:
+      jobs:
+        - openstack-tox-pep8-charm-jammy
+        - openstack-tox-py310