diff --git a/head-node.scm b/head-node.scm
index e2d239d73124c82070c535118fb987208a58ff56..486f302001f0fc672505afb0eae3dce571ab2aad 100644
--- a/head-node.scm
+++ b/head-node.scm
@@ -481,7 +481,7 @@ CALENDAR, a gexp, and ensures at least FREE-SPACE GiB are available."
                           (unattended-upgrade-configuration
                            (operating-system-file this-file)
                            (services-to-restart
-                            '(mcron nginx guix-daemon qemu-binfmt tor))
+                            '(mcron nginx guix-daemon qemu-binfmt tor unattended-upgrade))
                            (channels
                             #~(cons* (channel
                                       (name 'cuirass)