diff --git a/nc_cxx.cmake b/nc_cxx.cmake
index 44a6750..4994058 100644
--- a/nc_cxx.cmake
+++ b/nc_cxx.cmake
@@ -25,7 +25,7 @@ append_compile_flag ("-fdiagnostics-color=auto")
 
 
 ###############################################################################
-append_compile_flag ("-std=c++2a")
+append_compile_flag ("-std=c++2b")
 append_compile_flag ("-fpermissive")
 append_compile_flag ("/std:c++latest")