diff --git a/CMakeLists.txt b/CMakeLists.txt
index 69d660d37..1674ca5d0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ project(NS3 CXX)
 file(STRINGS VERSION NS3_VER)
 
 # minimum compiler versions
-set(AppleClang_MinVersion 13.1.6)
+set(AppleClang_MinVersion 16.0.0)
 set(Clang_MinVersion 17.0.0)
 set(GNU_MinVersion 11.0.0)
 
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 891a7a0e8..eb095d527 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -22,7 +22,7 @@ requirements (Note: not all ns-3 features are available on all systems):
 - g++-11.1 or later, or LLVM/clang++-17 or later
 - Python 3.8 or later
 - CMake 3.20 or later
-- (macOS only) Xcode 13.1.6 or later
+- (macOS only) Xcode 16.2 or later
 - (Windows only) Msys2/MinGW64, Msys2/UCRT64 and ClangCL/MSVC toolchains, or WSL2
 
 Python API requires [Cppyy](https://cppyy.readthedocs.io/en/latest/installation.html) and has only