diff --git a/sys/dev/efidev/efirtc.c b/sys/dev/efidev/efirtc.c
index 152a4912dbce..1e5784b19263 100644
--- a/sys/dev/efidev/efirtc.c
+++ b/sys/dev/efidev/efirtc.c
@@ -202,3 +202,5 @@ static driver_t efirtc_driver = {
 };
 
 DRIVER_MODULE(efirtc, nexus, efirtc_driver, efirtc_devclass, 0, 0);
+MODULE_VERSION(efirtc, 1);
+MODULE_DEPEND(efirtc, efirt, 1, 1, 1);