diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 3b9c1cd1a..a56efceb1 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -21,13 +21,13 @@ Release 3-dev
 This release is intended to work on systems with the following minimal
 requirements (Note: not all ns-3 features are available on all systems):
 
-- g++-10.1 or later, or LLVM/clang++-10 or later
+- g++-10.1 or later, or LLVM/clang++-11 or later
 - Python 3.8 or later
 - CMake 3.13 or later
 - (macOS only) Xcode 13.1.6 or later
 - (Windows only) Msys2/MinGW64 toolchain or WSL2
 
-This release has discontinued support for g++-9 compilers and for Python 3.6 and 3.7.
+This release has discontinued support for g++-9 and clang-10 compilers and for Python 3.6 and 3.7.
 
 Python API requires [Cppyy](https://cppyy.readthedocs.io/en/latest/installation.html) and has only
 been tested on Linux. As of this release, the latest known version to work with ns-3 is cppyy==3.1.2.