diff --git a/xmake.lua b/xmake.lua
index b3de114..769129f 100644
--- a/xmake.lua
+++ b/xmake.lua
@@ -4,6 +4,7 @@ target("Pivot")
     set_kind("binary")
     add_files("src/*.cpp")
     set_rundir("$(projectdir)/matricies")
+    set_languages("c++17")
 
 --
 -- If you want to known more usage about xmake, please see https://xmake.io