diff --git a/docs/getting_started/installation_and_usage.md b/docs/getting_started/installation_and_usage.md
index b2c820a4..9c054aaa 100644
--- a/docs/getting_started/installation_and_usage.md
+++ b/docs/getting_started/installation_and_usage.md
@@ -25,7 +25,7 @@ specific feature:
 | **Minimum support**  |  12  |  16   |     15      | None |
 | **`std::format`**    | None | None  |    None     | None |
 | **C++ modules**      | None |  17   |    None     | None |
-| **C++23 extensions** | None | None  |    None     | None |
+| **C++23 extensions** |  14  |  18   |    None     | None |
 
 More requirements for C++ modules support can be found in the
 [CMake's documentation](https://cmake.org/cmake/help/latest/manual/cmake-cxxmodules.7.html).
diff --git a/docs/index.md b/docs/index.md
index cdb5ae99..753ba7a2 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -33,7 +33,7 @@ The library source code is hosted on [GitHub](https://github.com/mpusz/mp-units)
     | **Minimum support**  |  12  |  16   |     15      | None |
     | **`std::format`**    | None | None  |    None     | None |
     | **C++ modules**      | None |  17   |    None     | None |
-    | **C++23 extensions** | None | None  |    None     | None |
+    | **C++23 extensions** |  14  |  18   |    None     | None |
 
     More requirements for C++ modules support can be found in the
     [CMake's documentation](https://cmake.org/cmake/help/latest/manual/cmake-cxxmodules.7.html).