diff --git a/.zuul.d/cross-jobs.yaml b/.zuul.d/cross-jobs.yaml
index 0c44e0b073..1585497add 100644
--- a/.zuul.d/cross-jobs.yaml
+++ b/.zuul.d/cross-jobs.yaml
@@ -142,6 +142,14 @@
     vars:
       tox_envlist: py311
 
+- job:
+    name: cross-magnum-py311
+    parent: requirements-cross-test
+    description: Run cross-project tests on magnum with py311.
+    required-projects: openstack/magnum
+    vars:
+      tox_envlist: py311
+
 - job:
     name: cross-manila-py311
     parent: requirements-cross-test
diff --git a/.zuul.d/project.yaml b/.zuul.d/project.yaml
index ae233c0469..f311cd03d5 100644
--- a/.zuul.d/project.yaml
+++ b/.zuul.d/project.yaml
@@ -38,6 +38,7 @@
         - cross-keystone-py311
         - cross-kuryr-py311
         - cross-manila-py311
+        - cross-magnum-py311
         - cross-masakari-py311:
             voting: false
         - cross-mistral-py311: