diff --git a/BUILDING.md b/BUILDING.md
index 858f017d692f1a..4d6b758f7cea69 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -119,14 +119,14 @@ platforms. This is true regardless of entries in the table below.
| AIX | ppc64be >=power7 | >= 7.2 TL04 | Tier 2 | |
| FreeBSD | x64 | >= 11 | Experimental | Downgraded as of Node.js 12 [7](#fn7) |
-1: GCC 6 is not provided on the base platform. Users will
+1: GCC 8 is not provided on the base platform. Users will
need the
[Toolchain test builds PPA](https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/test?field.series_filter=xenial)
or similar to source a newer compiler.
-2: GCC 6 is not provided on the base platform. Users will
+2: GCC 8 is not provided on the base platform. Users will
need the
- [devtoolset-6](https://www.softwarecollections.org/en/scls/rhscl/devtoolset-6/)
+ [devtoolset-8](https://www.softwarecollections.org/en/scls/rhscl/devtoolset-8/)
or later to source a newer compiler.
3: Older kernel versions may work for ARM64. However the
@@ -161,7 +161,7 @@ Depending on the host platform, the selection of toolchains may vary.
| Operating System | Compiler Versions |
| ---------------- | -------------------------------------------------------------- |
-| Linux | GCC >= 6.3 |
+| Linux | GCC >= 8.3 |
| Windows | Visual Studio >= 2019 with the Windows 10 SDK on a 64-bit host |
| macOS | Xcode >= 10 (Apple LLVM >= 10) |
@@ -235,7 +235,7 @@ test with Python 3.
#### Unix prerequisites
-* `gcc` and `g++` >= 6.3 or newer, or
+* `gcc` and `g++` >= 8.3 or newer, or
* GNU Make 3.81 or newer
* Python (see note above)
* Python 2.7