diff --git a/cmake-init/cmake_init.py b/cmake-init/cmake_init.py
index 70e1b02..bf6818b 100644
--- a/cmake-init/cmake_init.py
+++ b/cmake-init/cmake_init.py
@@ -50,7 +50,7 @@ def __str__(self):
 
 c_lang = Language("C", ["e", "s", "h"], ["90", "99", "11", "17", "23"], 1)
 
-cpp_lang = Language("C++", ["e", "h", "s"], ["11", "14", "17", "20"], 2)
+cpp_lang = Language("C++", ["e", "h", "s"], ["11", "14", "17", "20", "23"], 2)
 
 
 def not_empty(value):