diff --git a/cppquiz/settings.py b/cppquiz/settings.py
index 675eabc..d5ca092 100644
--- a/cppquiz/settings.py
+++ b/cppquiz/settings.py
@@ -183,6 +183,6 @@
 
 TOP_WARNING = ''
 
-CPP_STD = 'C++17'
+CPP_STD = 'C++23'
 
 from . import local_settings