diff --git a/roles/juju-user-prep/files/ansible.cfg b/roles/juju-user-prep/files/ansible.cfg
new file mode 100644
index 0000000..dd43d2b
--- /dev/null
+++ b/roles/juju-user-prep/files/ansible.cfg
@@ -0,0 +1,2 @@
+[defaults]
+host_key_checking = false