diff --git a/mkosi.images/system/mkosi.conf.d/10-centos-fedora/mkosi.prepare b/mkosi.images/system/mkosi.conf.d/10-centos-fedora/mkosi.prepare
index 8b10b242e0..a2b8287182 100755
--- a/mkosi.images/system/mkosi.conf.d/10-centos-fedora/mkosi.prepare
+++ b/mkosi.images/system/mkosi.conf.d/10-centos-fedora/mkosi.prepare
@@ -23,7 +23,7 @@ for DEPS in --requires --buildrequires; do
         --define "_topdir /var/tmp" \
         --define "_sourcedir pkg/$ID" \
         "pkg/$ID/systemd.spec" |
-            grep --invert-match --regexp systemd --regexp /bin/sh --regexp "rpmlib(" --regexp udev |
+            grep --invert-match --regexp systemd --regexp /bin/sh --regexp "rpmlib(" --regexp udev --regexp grubby --regexp sdubby |
             sort --unique |
             tee /tmp/buildrequires |
             xargs --delimiter '\n' mkosi-install