diff --git a/roles/copr/backend/files/provision/files/mock/site-defaults.cfg b/roles/copr/backend/files/provision/files/mock/site-defaults.cfg
index b5d29c3d83..e4f01b9ada 100644
--- a/roles/copr/backend/files/provision/files/mock/site-defaults.cfg
+++ b/roles/copr/backend/files/provision/files/mock/site-defaults.cfg
@@ -29,3 +29,6 @@ config_opts['plugin_conf']['chroot_scan_opts'] = {
 
 # hack: dnf would install elfutils-libelf from DTS, and that would break the transaction
 config_opts['yum_install_command'] = 'install yum yum-utils shadow-utils distribution-gpg-keys elfutils-libelf'
+
+# https://bugzilla.redhat.com/show_bug.cgi?id=1745123, remove with new mock release
+config_opts['dnf_install_command'] = 'install dnf dnf-plugins-core shadow-utils distribution-gpg-keys'