diff --git a/CMakeLists.txt b/CMakeLists.txt
index e2b8020..e9e615d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,6 +21,7 @@ include(cmake/get_nwx_cmake.cmake)
 include(get_version_from_git)
 get_version_from_git(parallelzone_version "${CMAKE_CURRENT_LIST_DIR}")
 project(parallelzone VERSION "${parallelzone_version}" LANGUAGES CXX)
+set(CMAKE_CXX_STANDARD 20)
 
 include(nwx_versions)
 include(get_cmaize)