diff --git a/BUILDING.md b/BUILDING.md
index 54cdb1b0075913..d6ca30104b77f4 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -273,6 +273,10 @@ $ ./configure
 $ make -j4
 ```
 
+We can speed up the builds by using [Ninja](https://ninja-build.org/). For more
+information, see
+[Building Node.js with Ninja](doc/contributing/building-node-with-ninja.md).
+
 The `-j4` option will cause `make` to run 4 simultaneous compilation jobs which
 may reduce build time. For more information, see the
 [GNU Make Documentation](https://www.gnu.org/software/make/manual/html_node/Parallel.html).
diff --git a/doc/contributing/pull-requests.md b/doc/contributing/pull-requests.md
index 00868c4bfc91d9..bc0d072484897f 100644
--- a/doc/contributing/pull-requests.md
+++ b/doc/contributing/pull-requests.md
@@ -244,6 +244,10 @@ test suite. To run the tests (including code linting) on Unix / macOS:
 ./configure && make -j4 test
 ```
 
+We can speed up the builds by using [Ninja](https://ninja-build.org/). For more
+information, see
+[Building Node.js with Ninja](building-node-with-ninja.md).
+
 And on Windows:
 
 ```text