diff --git a/BUILDING.md b/BUILDING.md
index 3cc173d1f533f3..cb1960db7445cf 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -165,7 +165,7 @@ Binaries at are produced on:
| Binary package | Platform and Toolchain |
| --------------------- | ------------------------------------------------------------------------ |
| aix-ppc64 | AIX 7.1 TL05 on PPC64BE with GCC 6 |
-| darwin-x64 (and .pkg) | macOS 10.11, Xcode Command Line Tools 8 with -mmacosx-version-min=10.10 |
+| darwin-x64 (and .pkg) | macOS 10.15, Xcode Command Line Tools 11 with -mmacosx-version-min=10.10 |
| linux-arm64 | CentOS 7 with devtoolset-6 / GCC 6 |
| linux-armv7l | Cross-compiled on Ubuntu 16.04 x64 with [custom GCC toolchain](https://github.com/rvagg/rpi-newer-crosstools) |
| linux-ppc64le | CentOS 7 with devtoolset-6 / GCC 6 [7](#fn7) |