1 files changed, 1 insertions, 1 deletions
diff --git a/Rakefile b/Rakefile
index 838f3ce..c483907 100644
--- a/Rakefile
+++ b/Rakefile
@@ -107,7 +107,7 @@ task :doc do
 end
 
 rule '.o' => ['.cpp', "mruby-#{MRUBY_VERSION}"] do |t|
-  system("g++ #{t.source} -o #{t.name} -g -D DEBUG=1 -c -std=c++20 "\
+  system("g++ #{t.source} -o #{t.name} -g -D DEBUG=1 -c -std=c++23 "\
          "-Imruby-#{MRUBY_VERSION}/include/ #{PKG_VALUES}")
 end