diff --git a/rpm_spec/core-dom0.spec b/rpm_spec/core-dom0.spec
index 435b9513..da8a001c 100644
--- a/rpm_spec/core-dom0.spec
+++ b/rpm_spec/core-dom0.spec
@@ -42,6 +42,7 @@ Conflicts:      qubes-gui-dom0 < 1.1.13
 Requires:       xen >= 4.1.0-2
 Requires:       createrepo
 Requires:       gnome-packagekit
+Requires:       cronie
 %define _builddir %(pwd)/dom0
 
 %description