debian/changelog

+vtk-dicom (0.8.7-2) unstable; urgency=medium
+
+  * d/control: Add break/replace lib package, Closes: #901214
+
+ -- Gert Wollny <gewo@debian.org>  Sat, 10 Nov 2018 13:56:45 +0100
+
 vtk-dicom (0.8.7-1) unstable; urgency=medium
 
   * d/*.install: move cmake files into -dev package, Closes: #901214

debian/control

@@ -26,8 +26,8 @@ Architecture: any
 Multi-Arch: same
 Pre-Depends: ${misc:Pre-Depends}
 Depends: libvtkdicom0.8 (= ${binary:Version}), ${misc:Depends}
-Replaces: libvtk-dicom0.7-dev
-Conflicts: libvtk-dicom0.7-dev
+Replaces: libvtk-dicom0.7-dev, libvtkdicom0.7
+Breaks: libvtk-dicom0.7-dev, libvtkdicom0.7 
 Description: DICOM for VTK - dev
  This package contains a set of classes for managing DICOM
  files and metadata from within VTK, and some utility programs