--- a/debian/control	Fri Nov 14 16:35:50 2014 +0100
+++ b/debian/control	Thu Nov 20 15:24:43 2014 +0100
@@ -9,7 +9,8 @@
 
 Package: verify-drbd
 Architecture: all
-Depends: drbd-utils (>= 8.3.8) | drbd8-utils (>= 8.3.8),  ${misc:Depends}
+Depends: drbd-utils (>= 8.4) | drbd8-utils (>= 8.4),  ${misc:Depends}
+Conflicts: drbd-utils (<< 8.4), drbd8-utils (<< 8.4)
 Description: run drbd verification periodically
  This package provides a script which runs a verification on all drbd devices
  of a system using the dynamic resync speed controller and a cron job which