diff --git a/.github/install.sh b/.github/install.sh
index e41d4762a2e..5fc8323c8c9 100755
--- a/.github/install.sh
+++ b/.github/install.sh
@@ -13,7 +13,7 @@ sudo apt-get install -y \
  libqt5svg5-dev qttools5-dev qttools5-dev-tools \
  libboost-dev libboost-serialization-dev libboost-iostreams-dev libboost-filesystem-dev libboost-filesystem-dev \
  libvtk9-dev libunwind-dev \
- libinsighttoolkit4-dev \
+ libinsighttoolkit5-dev \
  libceres-dev \
  libglpk-dev \
  libopencv-dev \
diff --git a/Polyhedron/demo/Polyhedron/Plugins/Mesh_3/CMakeLists.txt b/Polyhedron/demo/Polyhedron/Plugins/Mesh_3/CMakeLists.txt
index 994a71fc703..f7cadd99fb6 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/Mesh_3/CMakeLists.txt
+++ b/Polyhedron/demo/Polyhedron/Plugins/Mesh_3/CMakeLists.txt
@@ -33,7 +33,11 @@ find_package(ITK NAMES ITK InsightToolkit
 if(ITK_FOUND)
   include(${ITK_USE_FILE})
   set(ITK_LIBS ITKCommon ITKSmoothing ITKImageIntensity)
-
+  foreach(lib ${ITK_LIBS})
+    if(NOT TARGET ${lib})
+      message(STATUS "ITK library ${lib} not found")
+    endif()
+  endforeach()
   target_link_libraries(mesh_3_plugin PUBLIC ${ITK_LIBS})
   target_compile_definitions(mesh_3_plugin PUBLIC CGAL_USE_ITK)
 endif(ITK_FOUND)