diff --git a/.github/workflows/build-test-package.yml b/.github/workflows/build-test-package.yml
index 51affcb..7e663e3 100644
--- a/.github/workflows/build-test-package.yml
+++ b/.github/workflows/build-test-package.yml
@@ -108,6 +108,7 @@ jobs:
         endif()
         set(dashboard_cache "
         ITK_DIR:PATH=\${CTEST_DASHBOARD_ROOT}/ITK-b
+        Module_MorphologicalContourInterpolation_BUILD_EXAMPLES:BOOL=ON
         BUILD_TESTING:BOOL=ON
         ")
         string(TIMESTAMP build_date "%Y-%m-%d")
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 447dafc..965d540 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,19 @@
 cmake_minimum_required(VERSION 3.10.2)
+
+if(CMAKE_CXX_STANDARD EQUAL "98" )
+   message(FATAL_ERROR "CMAKE_CXX_STANDARD:STRING=98 is not supported in ITK version 5 and greater.")
+endif()
+
+if(NOT CMAKE_CXX_STANDARD)
+  set(CMAKE_CXX_STANDARD 11) # Supported values are ``11``, ``14``, and ``17``.
+endif()
+if(NOT CMAKE_CXX_STANDARD_REQUIRED)
+  set(CMAKE_CXX_STANDARD_REQUIRED ON)
+endif()
+if(NOT CMAKE_CXX_EXTENSIONS)
+  set(CMAKE_CXX_EXTENSIONS OFF)
+endif()
+
 project(MorphologicalContourInterpolation)
 
 if(NOT ITK_SOURCE_DIR)
@@ -6,6 +21,7 @@ if(NOT ITK_SOURCE_DIR)
   list(APPEND CMAKE_MODULE_PATH ${ITK_CMAKE_DIR})
   include(ITKModuleExternal)
 else()
+  set(ITK_DIR ${CMAKE_BINARY_DIR})
   itk_module_impl()
 endif()
 
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 99f63be..b6d3d9f 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -2,22 +2,30 @@ cmake_minimum_required(VERSION 3.10.2)
 
 project(MorphologicalContourInterpolation_Examples CXX)
 
-find_package(ITK REQUIRED
-  COMPONENTS
-    MorphologicalContourInterpolation
-    ITKSmoothing
-    ITKIOImageBase
-    ITKIONRRD
-    )
+if(NOT ITK_SOURCE_DIR)
+  find_package(ITK 5.2 REQUIRED COMPONENTS MorphologicalContourInterpolation ITKSmoothing ITKImageIO ITKTestKernel)
+else()
+  # when being built as part of ITK, ITKImageIO and ITKTransformIO
+  # lists of modules are not yet ready, causing a configure error
+  find_package(ITK REQUIRED COMPONENTS MorphologicalContourInterpolation ITKSmoothing ITKIOImageBase ITKIONRRD ITKTestKernel)
+endif()
 include(${ITK_USE_FILE})
 
 add_executable(mciExample mciExample.cxx)
 target_link_libraries(mciExample ${ITK_LIBRARIES})
 
 
+# add some regression tests
 enable_testing()
 
 add_test(NAME mciExample_SevenLabels_3
   COMMAND mciExample ${CMAKE_CURRENT_SOURCE_DIR}/SevenLabels.nrrd
     ${CMAKE_CURRENT_BINARY_DIR}/SevenLabels_interpolated.nrrd
     3)
+
+if(ITK_WRAP_PYTHON)
+  add_test(NAME mciExample_ManyToMany
+    COMMAND python ${CMAKE_CURRENT_LIST_DIR}/mciExample.py
+      ${CMAKE_CURRENT_SOURCE_DIR}/ManyToMany.nrrd
+      ${CMAKE_CURRENT_BINARY_DIR}/ManyToMany_interpolated.nrrd)
+endif()
\ No newline at end of file
diff --git a/examples/ManyToMany.nrrd b/examples/ManyToMany.nrrd
new file mode 100644
index 0000000..298966e
Binary files /dev/null and b/examples/ManyToMany.nrrd differ
diff --git a/examples/mciExample.py b/examples/mciExample.py
new file mode 100644
index 0000000..075656a
--- /dev/null
+++ b/examples/mciExample.py
@@ -0,0 +1,10 @@
+import itk
+import sys
+
+if len (sys.argv) < 3:
+    print( "Usage: %s <input> <output>" % (sys.argv[0]) )
+    sys.exit(1)
+
+image = itk.imread(sys.argv[1], itk.UC)
+filled = itk.morphological_contour_interpolator(image)
+itk.imwrite(filled, sys.argv[2], compression=True)