diff --git a/international-standard.md b/international-standard.md
index 6fb9e3eee..ee0609fc9 100644
--- a/international-standard.md
+++ b/international-standard.md
@@ -13,7 +13,7 @@ C++ の標準規格は、他にも各国の規格化団体によって国際標
| 通称†1 | 名称 | 参照する規格案†2 | 規格案・原案 | `__cplusplus` |
|:--|:--|:--|:--|:--|
| [C++26](lang/cpp26.md) (C++2c) | ISO/IEC 14882:2026 (予定) | N4971([PDF](https://open-std.org/jtc1/sc22/wg21/docs/papers/2023/n4971.pdf)/[HTML](https://timsong-cpp.github.io/cppwp/)) | N4971 N4964 N4958 | -- |
-| [C++23](lang/cpp23.md) (C++2b) | ISO/IEC 14882:2023 (予定) | N4950([PDF](https://open-std.org/jtc1/sc22/wg21/docs/papers/2023/n4950.pdf)/[HTML](https://timsong-cpp.github.io/cppwp/)) | N4950 N4944 N4928 N4917 N4910 N4901 N4892 N4885 N4878
N4868 N4861 | -- |
+| [C++23](lang/cpp23.md) (C++2b) | ISO/IEC 14882:2023 (予定) | N4950([PDF](https://open-std.org/jtc1/sc22/wg21/docs/papers/2023/n4950.pdf)/[HTML](https://timsong-cpp.github.io/cppwp/n4950/)) | N4950 N4944 N4928 N4917 N4910 N4901 N4892 N4885 N4878
N4868 N4861 | -- |
| [C++20](lang/cpp20.md) (C++2a) | ISO/IEC 14882:2020 | N4861†3([PDF](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2020/n4861.pdf)/[HTML](https://timsong-cpp.github.io/cppwp/n4861/)) | N4860 N4849 N4842 N4835 N4830
N4820 N4810 N4800 N4791 N4788†4
N4778 N4762 N4750 N4741 N4727
N4713 N4700 N4687 | `202002L` |
| [C++17](lang/cpp17.md) (C++1z) | ISO/IEC 14882:2017 | N4659([PDF](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/n4659.pdf)/[HTML](https://timsong-cpp.github.io/cppwp/n4659/)) | N4660 N4659 N4640 N4618 N4606
N4594 N4582 N4567 N4527 N4431
N4296 | `201703L` |
| [C++14](lang/cpp14.md) (C++1y) | ISO/IEC 14882:2014 | N4140([PDF](https://github.com/cplusplus/draft/blob/master/papers/n4140.pdf?raw=true)/[HTML](https://timsong-cpp.github.io/cppwp/n4140/)) | N4141 N4140 N3937 N3936 N3797
N3691 N3690 N3485 N3376 N3337 | `201402L` |