diff --git a/benchmark/_http-benchmarkers.js b/benchmark/_http-benchmarkers.js
index ec0e80a9e7edbe..e8c5ee7711ab33 100644
--- a/benchmark/_http-benchmarkers.js
+++ b/benchmark/_http-benchmarkers.js
@@ -65,7 +65,7 @@ class WrkBenchmarker {
     const args = [
       '-d', duration,
       '-c', options.connections,
-      '-t', Math.min(options.connections, require('os').cpus().length || 8),
+      '-t', Math.min(options.connections, require('os').availableParallelism() || 8),
       `${scheme}://127.0.0.1:${options.port}${options.path}`,
     ];
     for (const field in options.headers) {
diff --git a/tools/build-addons.mjs b/tools/build-addons.mjs
index b0ec02d8e90cba..a96c18435ddc03 100755
--- a/tools/build-addons.mjs
+++ b/tools/build-addons.mjs
@@ -11,7 +11,7 @@ import os from 'node:os';
 
 const execFile = util.promisify(child_process.execFile);
 
-const parallelization = +process.env.JOBS || os.cpus().length;
+const parallelization = +process.env.JOBS || os.availableParallelism();
 const nodeGyp = process.argv[2];
 const directory = process.argv[3];