diff --git a/cmake/custom/documentation.cmake b/cmake/custom/documentation.cmake
index 0fd146b94..0d9aeccdb 100644
--- a/cmake/custom/documentation.cmake
+++ b/cmake/custom/documentation.cmake
@@ -13,6 +13,8 @@ find_package(Sphinx)
 find_package(Perl)
 include(find_python_module)
 find_python_module(yaml)
+find_python_module(breathe)
+find_python_module(matplotlib)
 if(PERL_FOUND AND PY_YAML)
     set(BUILD_CHARTS ON)
     message(STATUS "Doxygen, Perl and PyYAML available. Local doc target added")
diff --git a/doc/gfx/utils.png b/doc/gfx/utils.png
index cb4fdf6af..5bae0dd36 100644
Binary files a/doc/gfx/utils.png and b/doc/gfx/utils.png differ