diff --git a/playbooks/roles/hosts.update/tasks/redhat.yml b/playbooks/roles/hosts.update/tasks/centos.yml
similarity index 100%
rename from playbooks/roles/hosts.update/tasks/redhat.yml
rename to playbooks/roles/hosts.update/tasks/centos.yml
diff --git a/playbooks/roles/hosts.update/tasks/centos8.yml b/playbooks/roles/hosts.update/tasks/centos8.yml
new file mode 100644
index 00000000..358c5333
--- /dev/null
+++ b/playbooks/roles/hosts.update/tasks/centos8.yml
@@ -0,0 +1,10 @@
+---
+# https://github.com/samba-in-kubernetes/sit-environment/issues/102
+- name: Modify repositories to point at CentOS vault
+  shell: >-
+    find /etc/yum.repos.d/ -name '*.repo' -exec sed -i \
+      -e 's|^mirrorlist=|#mirrorlist=|g' \
+      -e 's|^#baseurl=http://mirror.centos.org|baseurl=https://vault.centos.org|g' {} \;
+
+- name: Process common OS tasks
+  include_tasks: centos.yml
diff --git a/playbooks/roles/hosts.update/tasks/centos9.yml b/playbooks/roles/hosts.update/tasks/centos9.yml
new file mode 100644
index 00000000..64498162
--- /dev/null
+++ b/playbooks/roles/hosts.update/tasks/centos9.yml
@@ -0,0 +1,3 @@
+---
+- name: Process common OS tasks
+  include_tasks: centos.yml