diff --git a/releasenotes/notes/apt-source-filenamed-4b0f490c2bd97c19.yaml b/releasenotes/notes/apt-source-filenamed-4b0f490c2bd97c19.yaml
new file mode 100644
index 0000000..edfde78
--- /dev/null
+++ b/releasenotes/notes/apt-source-filenamed-4b0f490c2bd97c19.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - The filename of the apt source for the ubuntu
+    cloud archive used in ceph client can now be
+    defined by giving a filename in the uca part
+    of the dict ``ceph_apt_repos``.
diff --git a/tasks/ceph_preinstall_apt.yml b/tasks/ceph_preinstall_apt.yml
index 5965f2d..ececf0b 100644
--- a/tasks/ceph_preinstall_apt.yml
+++ b/tasks/ceph_preinstall_apt.yml
@@ -71,6 +71,7 @@
   apt_repository:
     repo: "{{ ceph_apt_repos[ceph_pkg_source].repo }}"
     state: "{{ ceph_apt_repos[ceph_pkg_source].state }}"
+    filename: "{{ ceph_apt_repos[ceph_pkg_source].filename | default(omit) }}"
     update_cache: yes
   register: add_repos
   until: add_repos|success