diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 005f89fc5..ef0a9049c 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -22,7 +22,7 @@ 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++-7 or later, or LLVM/clang++-8 or later
 - Python 3.6 or later
-- (macOS only) Xcode 10.1 or later
+- (macOS only) Xcode 11 or later
 
 Python API scanning only works for Python versions 3.6 through 3.8, due to
 an upstream toolchain limitation.