diff --git a/package.json b/package.json
index 137c3d107..2e12b6b23 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "start:build": "node packages/dev-server/dist/bin.js --root-dir _site --open",
     "test": "npm run test:node && npm run test:browser && node scripts/workspaces-scripts-bin.mjs test:ci",
     "test:browser": "npm run test:browser --workspaces --if-present",
-    "test:node": "mocha \"packages/!(*test-runner-selenium|*test-runner-webdriver|*test-runner-module-mocking)/test/**/*.test.{ts,js,mjs,cjs}\" && TS_NODE_PROJECT='./tsconfig.node-16-base.json' mocha \"packages/test-runner-module-mocking/test/**/*.test.{ts,js,mjs,cjs}\" --loader=ts-node/esm",
+    "test:node": "mocha \"packages/!(*test-runner-selenium|*test-runner-webdriver|*test-runner-module-mocking)/test/**/*.test.{ts,js,mjs,cjs}\" && TS_NODE_PROJECT='./tsconfig.node-16-base.json' mocha \"packages/test-runner-module-mocking/test/**/*.test.{ts,js,mjs,cjs}\" --experimental-loader=ts-node/esm",
     "types": "wireit",
     "update": "npm run update:mjs-dts-entrypoints && npm run update:tsconfigs",
     "update-dependency": "node scripts/update-dependency.js",