diff --git a/jest.front.config.js b/jest.front.config.js
index a843832ea2..4b292801e1 100644
--- a/jest.front.config.js
+++ b/jest.front.config.js
@@ -1,6 +1,8 @@
 // For a detailed explanation regarding each configuration property, visit:
 // https://jestjs.io/docs/en/configuration.html
 /* eslint max-len: ["error", { "code": 150 }]*/
+const cpus = require('os').cpus().length;
+const maxCpus = Math.floor(cpus * 0.45);
 
 module.exports = {
     name: 'front end',
@@ -12,6 +14,7 @@ module.exports = {
     setupFilesAfterEnv: [
         './front/jest-setup.js'
     ],
+    maxWorkers: maxCpus,
     testMatch: [
         '**/front/**/*.spec.js',
         '**/print/**/*.spec.js',