diff --git a/infra/ansible/ansible.cfg b/infra/ansible/ansible.cfg
index c6ef89524..b5e626651 100644
--- a/infra/ansible/ansible.cfg
+++ b/infra/ansible/ansible.cfg
@@ -7,7 +7,11 @@ roles_path      = ./roles
 host_key_checking = False
 retry_files_enabled = False
 forks           = 10
-stdout_callback = yaml
+# YAML-formatted output via the default callback (community.general's
+# `yaml` callback was removed in 12.0.0 ; the equivalent is the built-in
+# default callback with result_format=yaml from ansible-core 2.13+).
+stdout_callback = default
+result_format   = yaml
 # v1.0.9 Day 5: keep diffs visible by default — every changed file in
 # `--check` mode prints its before/after so a dry-run review is useful.
 nocows          = 1