diff -up ASL-0.1.7/CMakeLists.txt.vtk8 ASL-0.1.7/CMakeLists.txt
--- ASL-0.1.7/CMakeLists.txt.vtk8	2016-11-09 06:08:07.000000000 -0700
+++ ASL-0.1.7/CMakeLists.txt	2018-10-03 20:57:05.084996510 -0600
@@ -55,7 +55,7 @@ find_package(Boost 1.53 REQUIRED COMPONE
 # ToDo: remove support for VTK 6.1 at some point in future
 find_package(VTK 6.1 QUIET COMPONENTS vtkRenderingCore vtkImagingCore vtkFiltersCore vtkIOCore vtkIOGeometry vtkIOLegacy vtkIOXML vtkIOMINC vtkCommonCore vtkViewsCore vtkftgl vtksys vtkDICOMParser vtkexpat vtkzlib NO_MODULE)
 if(NOT VTK_FOUND)
-	find_package(VTK 7.0 REQUIRED COMPONENTS vtkRenderingCore vtkImagingCore vtkFiltersCore vtkIOCore vtkIOGeometry vtkIOLegacy vtkIOXML vtkIOMINC vtkCommonCore vtkViewsCore vtksys vtkDICOMParser vtkexpat vtkzlib NO_MODULE)
+	find_package(VTK REQUIRED COMPONENTS vtkRenderingCore vtkImagingCore vtkFiltersCore vtkIOCore vtkIOGeometry vtkIOLegacy vtkIOXML vtkIOMINC vtkCommonCore vtkViewsCore vtksys vtkDICOMParser vtkexpat vtkzlib NO_MODULE)
 endif()
 include(${VTK_USE_FILE})