diff --git a/roles/cephadm/tasks/pkg_debian.yml b/roles/cephadm/tasks/pkg_debian.yml
index 86f6eddd70..da1747982d 100644
--- a/roles/cephadm/tasks/pkg_debian.yml
+++ b/roles/cephadm/tasks/pkg_debian.yml
@@ -18,5 +18,6 @@
     name:
       - cephadm
       - python3-jinja2
+      - python3-yaml
     install_recommends: False
   become: True