diff --git a/tasks/main.yaml b/tasks/main.yaml
index 6ab9fec..d238330 100644
--- a/tasks/main.yaml
+++ b/tasks/main.yaml
@@ -40,6 +40,8 @@
     system: yes
     home: /var/lib/buildbot
     shell: /usr/bin/fish
+    generate_ssh_key: true
+    ssh_key_type: ed25519
 
 - name: buildbot var directory
   file: