diff --git a/cephadm-preflight.yml b/cephadm-preflight.yml
index e596f37..4ca5d3d 100644
--- a/cephadm-preflight.yml
+++ b/cephadm-preflight.yml
@@ -257,12 +257,18 @@
 
         - name: install prerequisites packages
           apt:
-            name: "{{ ['python3','cephadm','ceph-common'] }}"
+            name: "{{ ['python3','chrony'] + ceph_pkgs }}"
             state: "{{ (upgrade_ceph_packages | bool) | ternary('latest', 'present') }}"
             update_cache: true
           register: result
           until: result is succeeded
 
+        - name: ensure chronyd is running
+          service:
+            name: chronyd
+            state: started
+            enabled: true
+
         - name: install container engine
           block:
             - name: install podman
diff --git a/tox.ini b/tox.ini
index 5ccea18..07bc7e1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -57,7 +57,13 @@ commands=
   bash {toxinidir}/tests/scripts/vagrant_up.sh --no-provision {posargs:--provider=virtualbox}
   bash {toxinidir}/tests/scripts/generate_ssh_config.sh {changedir}
 
+<<<<<<< HEAD
   ansible -v -i {changedir}/hosts all -b -m command -a 'dnf update -y'
+=======
+  # Get a system up-to-date before deploying
+  {el,rock}{8,9}: ansible -vv -i {changedir}/hosts all -b -m dnf -a 'name="*" state=latest'
+  ubuntu_lts: ansible -vv -i {changedir}/hosts all -b -m apt -a 'name="*" state=latest update_cache=true'
+>>>>>>> 807bc9c (preflight: chrony missing in Ubuntu prerequisites)
 
   # Install prerequisites
   ansible-playbook -vv -i {changedir}/hosts {toxinidir}/cephadm-preflight.yml --extra-vars "\