diff --git a/Surface_mesh/examples/Surface_mesh/CMakeLists.txt b/Surface_mesh/examples/Surface_mesh/CMakeLists.txt
index b39506d8b45..87cdd52e06c 100644
--- a/Surface_mesh/examples/Surface_mesh/CMakeLists.txt
+++ b/Surface_mesh/examples/Surface_mesh/CMakeLists.txt
@@ -9,8 +9,8 @@
 cmake_minimum_required(VERSION 3.1...3.23)
 project(Surface_mesh_Examples)
 
-#CGAL_Qt5 is needed for the drawing.
-find_package(CGAL REQUIRED OPTIONAL_COMPONENTS Qt5)
+#CGAL_Qt6 is needed for the drawing.
+find_package(CGAL REQUIRED OPTIONAL_COMPONENTS Qt6)
 
 create_single_source_cgal_program("sm_points.cpp")
 create_single_source_cgal_program("sm_derivation.cpp")
@@ -28,7 +28,7 @@ create_single_source_cgal_program("check_orientation.cpp")
 
 #create the executable of the application
 create_single_source_cgal_program("draw_surface_mesh.cpp")
-if(CGAL_Qt5_FOUND)
+if(CGAL_Qt6_FOUND)
 
   #link it with the required CGAL libraries
   target_link_libraries(draw_surface_mesh PUBLIC CGAL::CGAL_Basic_viewer)