diff --git a/etc/kayobe/ansible/pulp/pulp-artifact-upload.yml b/etc/kayobe/ansible/pulp/pulp-artifact-upload.yml
index 4e68f33b3..ac28b950e 100644
--- a/etc/kayobe/ansible/pulp/pulp-artifact-upload.yml
+++ b/etc/kayobe/ansible/pulp/pulp-artifact-upload.yml
@@ -48,7 +48,7 @@
 
     - name: Write checksum to file
       ansible.builtin.copy:
-        content: "{{ file_stats.stat.checksum }}"
+        content: "{{ file_stats.stat.checksum }} {{ found_files.files[0].path | basename }}"
         dest: "/tmp/{{ found_files.files[0].path | basename }}.sha256"
       when: upload_checksum
 
diff --git a/etc/kayobe/environments/ci-tenks/automated-deployment.sh b/etc/kayobe/environments/ci-tenks/automated-deployment.sh
index ccb796eab..d18b7ffcc 100755
--- a/etc/kayobe/environments/ci-tenks/automated-deployment.sh
+++ b/etc/kayobe/environments/ci-tenks/automated-deployment.sh
@@ -100,10 +100,10 @@ sudo $KAYOBE_CONFIG_PATH/environments/$KAYOBE_ENVIRONMENT/configure-local-networ
 # for now we should skip it and just get to provisioning. Once we have a local
 # package mirror, we can probably add it back in and at least get to host
 # configuration.
-#kayobe playbook run $KAYOBE_CONFIG_PATH/ansible/pulp-repo-sync.yml
-#kayobe playbook run $KAYOBE_CONFIG_PATH/ansible/pulp-repo-publish.yml
-kayobe playbook run $KAYOBE_CONFIG_PATH/ansible/pulp-container-sync.yml -e stackhpc_pulp_images_kolla_filter=bifrost
-kayobe playbook run $KAYOBE_CONFIG_PATH/ansible/pulp-container-publish.yml -e stackhpc_pulp_images_kolla_filter=bifrost
+#kayobe playbook run $KAYOBE_CONFIG_PATH/ansible/pulp/pulp-repo-sync.yml
+#kayobe playbook run $KAYOBE_CONFIG_PATH/ansible/pulp/pulp-repo-publish.yml
+kayobe playbook run $KAYOBE_CONFIG_PATH/ansible/pulp/pulp-container-sync.yml -e stackhpc_pulp_images_kolla_filter=bifrost
+kayobe playbook run $KAYOBE_CONFIG_PATH/ansible/pulp/pulp-container-publish.yml -e stackhpc_pulp_images_kolla_filter=bifrost
 
 # Re-run full task to set up bifrost_deploy etc. using newly-populated pulp repo
 kayobe seed service deploy
diff --git a/etc/kayobe/pulp-host-image-versions.yml b/etc/kayobe/pulp-host-image-versions.yml
index b118afb5b..476e47258 100644
--- a/etc/kayobe/pulp-host-image-versions.yml
+++ b/etc/kayobe/pulp-host-image-versions.yml
@@ -1,5 +1,5 @@
 ---
 # Overcloud host image versioning tags
 # These images must be in SMS, since they are used by our AIO CI runners
-stackhpc_rocky_9_overcloud_host_image_version: "2025.1-20250916T145046"
-stackhpc_ubuntu_noble_overcloud_host_image_version: "2025.1-20250916T145046"
+stackhpc_rocky_9_overcloud_host_image_version: "2025.1-20250930T144255"
+stackhpc_ubuntu_noble_overcloud_host_image_version: "2025.1-20250930T144255"
diff --git a/releasenotes/notes/correct-pulp-artifact-checksums-2eb9ec0c7aa57576.yaml b/releasenotes/notes/correct-pulp-artifact-checksums-2eb9ec0c7aa57576.yaml
new file mode 100644
index 000000000..bad7fd22a
--- /dev/null
+++ b/releasenotes/notes/correct-pulp-artifact-checksums-2eb9ec0c7aa57576.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Fixes a regression where the checksums files for artifacts uploaded to Ark
+    would not include the filename. This was causing Bifrost to fail when
+    validating the checksums for overcloud host images.