diff --git a/modules/sysupdate.nix b/modules/sysupdate.nix
index 8d05b14..75a0a74 100644
--- a/modules/sysupdate.nix
+++ b/modules/sysupdate.nix
@@ -27,6 +27,12 @@ in
 {
   environment.etc."systemd/import-pubring.gpg".source = "${gpgKeyring}/import-pubring.gpg";
 
+  systemd.additionalUpstreamSystemUnits = [
+    "systemd-sysext.service"
+  ];
+
+  systemd.services."systemd-sysext.service".enable = true;
+
   systemd.sysupdate = {
     enable = true;