diff --git a/defaults/main.yml b/defaults/main.yml
index f74d12db..6ec19fe2 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -480,6 +480,7 @@ neutron_local_ip: 127.0.0.1
 neutron_uca_enable: True
 # Ubuntu Cloud Archive mirror URL
 uca_apt_repo_url: "http://ubuntu-cloud.archive.canonical.com/ubuntu"
+uca_apt_source_list_filename: "ubuntu_cloud_archive_canonical_com_ubuntu"
 
 # When running in an AIO, we need to implement an iptables rule in any
 # neutron_agent containers to that ensure instances can communicate with
diff --git a/releasenotes/notes/apt-source-filenamed-2cc698add82f5eea.yaml b/releasenotes/notes/apt-source-filenamed-2cc698add82f5eea.yaml
new file mode 100644
index 00000000..ea744d9c
--- /dev/null
+++ b/releasenotes/notes/apt-source-filenamed-2cc698add82f5eea.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - The filename of the apt source for the ubuntu
+    cloud archive can now be defined with the
+    variable ``uca_apt_source_list_filename``.
\ No newline at end of file
diff --git a/tasks/neutron_install.yml b/tasks/neutron_install.yml
index 832bccd3..f5991213 100644
--- a/tasks/neutron_install.yml
+++ b/tasks/neutron_install.yml
@@ -36,6 +36,7 @@
     repo: "{{ uca_repo }}"
     state: present
     update_cache: yes
+    filename: "{{ uca_apt_source_list_filename }}"
   register: neutron_uca_add_repo
   when:
     - neutron_uca_enable