diff --git a/projects/js-packages/critical-css-gen/tests/config/jetst-global-setup.js b/projects/js-packages/critical-css-gen/tests/config/jetst-global-setup.js
new file mode 100644
index 0000000000000..62dcc1e22a5d4
--- /dev/null
+++ b/projects/js-packages/critical-css-gen/tests/config/jetst-global-setup.js
@@ -0,0 +1,15 @@
+import { execSync } from 'child_process';
+import { setup as setupPuppeteer } from 'jest-environment-puppeteer';
+
+/**
+ * Global setup function for Jest tests.
+ *
+ * @param {import('jest').GlobalConfig} globalConfig - Jest's global configuration object
+ */
+export default async function globalSetup( globalConfig ) {
+	// Install Chrome for Puppeteer
+	execSync( 'npx puppeteer browsers install chrome', { stdio: 'inherit' } );
+
+	// Run the original setup from jest-environment-puppeteer
+	await setupPuppeteer( globalConfig );
+}