diff --git a/README.md b/README.md
index cb32dfdb..93109300 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,7 @@ Full runnable examples can be found in [`examples/`](examples/).
 This project requires at least the following to build:
 
 * A C++ compiler that conforms to the C++17 standard or greater
-* CMake 3.25 or later
+* CMake 3.28 or later
 * (Test Only) GoogleTest
 
 You can disable building tests by setting CMake option
diff --git a/cookiecutter/{{cookiecutter.project_name}}/README.md b/cookiecutter/{{cookiecutter.project_name}}/README.md
index 855e22dc..02a66f17 100644
--- a/cookiecutter/{{cookiecutter.project_name}}/README.md
+++ b/cookiecutter/{{cookiecutter.project_name}}/README.md
@@ -91,7 +91,7 @@ Full runnable examples can be found in [`examples/`](examples/).
 This project requires at least the following to build:
 
 * A C++ compiler that conforms to the C++17 standard or greater
-* CMake 3.25 or later
+* CMake 3.28 or later
 * (Test Only) GoogleTest
 
 You can disable building tests by setting CMake option