diff --git a/packer/debian-bullseye.yaml b/packer/debian-bullseye.yaml
index 7e02bc1..aa82551 100644
--- a/packer/debian-bullseye.yaml
+++ b/packer/debian-bullseye.yaml
@@ -65,6 +65,8 @@ provisioners:
 - playbook_file: ansible/playbook.yml
   type: ansible
   user: root
+  ansible_env_vars:
+    - "ANSIBLE_SSH_ARGS='-o HostkeyAlgorithms=+ssh-rsa -o PubkeyAcceptedAlgorithms=+ssh-rsa'"
 - inline:
   - rm /boot && mkdir /boot
   type: shell