diff --git a/cspell.config.json b/cspell.config.json
index dd2804cc43..a9d61d1386 100644
--- a/cspell.config.json
+++ b/cspell.config.json
@@ -109,6 +109,7 @@
 		"ezeholz",
 		"Fadesteps",
 		"Faizan",
+		"feeditem",
 		"feedparser",
 		"feelslike",
 		"Fenner",
@@ -116,10 +117,10 @@
 		"fewieden",
 		"fixuppm",
 		"flopp",
+		"fmi",
 		"fmisid",
 		"fontawesome",
 		"fontface",
-		"fmi",
 		"forecastday",
 		"forecastweather",
 		"fortawesome",
@@ -136,8 +137,8 @@
 		"ghsas",
 		"grenagit",
 		"Halfclear",
-		"HARMONIE",
 		"harmonie",
+		"HARMONIE",
 		"heavyrain",
 		"heavyrainandthunder",
 		"heavyrainshowers",
diff --git a/defaultmodules/newsfeed/feeditem.js b/defaultmodules/newsfeed/feeditem.js
index 29dc159518..918a216686 100644
--- a/defaultmodules/newsfeed/feeditem.js
+++ b/defaultmodules/newsfeed/feeditem.js
@@ -1,6 +1,6 @@
-const crypto = require("node:crypto");
-const { htmlToText } = require("html-to-text");
-const Log = require("logger");
+import crypto from "node:crypto";
+import { htmlToText } from "html-to-text";
+import Log from "logger";
 
 // html-to-text formatter that re-emits an allowed inline tag around its content,
 // so feeds that send real <em>/<strong> elements keep their emphasis. `br` is a void
@@ -115,7 +115,7 @@ const normalizeFeedItem = (item, { allowedBasicHtmlTags = [], logFeedWarnings =
 	};
 };
 
-module.exports = {
+export {
 	sanitizeBasicHtml,
 	normalizeFeedItem
 };
diff --git a/defaultmodules/newsfeed/newsfeedfetcher.js b/defaultmodules/newsfeed/newsfeedfetcher.js
index 83d3ce166d..3c84a89f17 100644
--- a/defaultmodules/newsfeed/newsfeedfetcher.js
+++ b/defaultmodules/newsfeed/newsfeedfetcher.js
@@ -1,9 +1,9 @@
-const stream = require("node:stream");
-const FeedParser = require("feedparser");
-const iconv = require("iconv-lite");
-const Log = require("logger");
-const { normalizeFeedItem } = require("./feeditem");
-const HTTPFetcher = require("#http_fetcher");
+import stream from "node:stream";
+import FeedParser from "feedparser";
+import iconv from "iconv-lite";
+import Log from "logger";
+import HTTPFetcher from "../../js/http_fetcher.mjs";
+import { normalizeFeedItem } from "./feeditem.js";
 
 // The complete set of basic formatting tags users are allowed to opt into via the
 // `allowedBasicHtmlTags` config option. These are inline emphasis / line-break tags that
@@ -159,4 +159,4 @@ class NewsfeedFetcher {
 	}
 }
 
-module.exports = NewsfeedFetcher;
+export default NewsfeedFetcher;
diff --git a/defaultmodules/newsfeed/node_helper.js b/defaultmodules/newsfeed/node_helper.js
index 7e2f49b92d..02d6b1ce17 100644
--- a/defaultmodules/newsfeed/node_helper.js
+++ b/defaultmodules/newsfeed/node_helper.js
@@ -1,11 +1,11 @@
-const dns = require("node:dns");
-const ipaddr = require("ipaddr.js");
-const undici = require("undici");
-const NodeHelper = require("node_helper");
-const Log = require("logger");
-const NewsfeedFetcher = require("./newsfeedfetcher");
-
-module.exports = NodeHelper.create({
+import dns from "node:dns";
+import ipaddr from "ipaddr.js";
+import undici from "undici";
+import NodeHelper from "node_helper";
+import Log from "logger";
+import NewsfeedFetcher from "./newsfeedfetcher.js";
+
+export default NodeHelper.create({
 	// Override start method.
 	start () {
 		Log.log(`Starting node helper for: ${this.name}`);
diff --git a/defaultmodules/newsfeed/package.json b/defaultmodules/newsfeed/package.json
new file mode 100644
index 0000000000..bedb411a91
--- /dev/null
+++ b/defaultmodules/newsfeed/package.json
@@ -0,0 +1,3 @@
+{
+	"type": "module"
+}
diff --git a/eslint.config.mjs b/eslint.config.mjs
index 08d1227919..567e06c77b 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -181,7 +181,7 @@ export default defineConfig([
 		}
 	},
 	{
-		files: ["tests/mocks/**/node_helper.js", "defaultmodules/*/node_helper.js", "defaultmodules/*/git_helper.js"],
+		files: ["tests/mocks/**/node_helper.js", "defaultmodules/*/node_helper.js", "defaultmodules/*/git_helper.js", "defaultmodules/newsfeed/feeditem.js", "defaultmodules/newsfeed/newsfeedfetcher.js"],
 		rules: {
 			// MagicMirror aliases are resolved at runtime by js/alias-resolver.js.
 			"import-x/no-unresolved": ["error", {ignore: ["^node_helper$", "^logger$"]}]
diff --git a/tests/unit/modules/default/newsfeed/feeditem_spec.js b/tests/unit/modules/default/newsfeed/feeditem_spec.js
index 8694ef54f4..ba646f6eae 100644
--- a/tests/unit/modules/default/newsfeed/feeditem_spec.js
+++ b/tests/unit/modules/default/newsfeed/feeditem_spec.js
@@ -1,6 +1,4 @@
-const defaults = require("../../../../../js/defaults");
-
-const { sanitizeBasicHtml } = require(`../../../../../${defaults.defaultModulesDir}/newsfeed/feeditem`);
+import { sanitizeBasicHtml } from "../../../../../defaultmodules/newsfeed/feeditem.js";
 
 // The full safe list users may opt into; most tests run with it enabled.
 const ALL_TAGS = ["b", "strong", "i", "em", "u", "br", "code", "s", "sub", "sup"];
diff --git a/tests/unit/modules/default/newsfeed/newsfeedfetcher_spec.js b/tests/unit/modules/default/newsfeed/newsfeedfetcher_spec.js
index baa9b2c437..788753f216 100644
--- a/tests/unit/modules/default/newsfeed/newsfeedfetcher_spec.js
+++ b/tests/unit/modules/default/newsfeed/newsfeedfetcher_spec.js
@@ -1,11 +1,9 @@
-const fs = require("node:fs");
-const path = require("node:path");
-const { Readable } = require("node:stream");
-const defaults = require("../../../../../js/defaults");
+import fs from "node:fs";
+import path from "node:path";
+import { Readable } from "node:stream";
+import NewsfeedFetcher from "../../../../../defaultmodules/newsfeed/newsfeedfetcher.js";
 
-const NewsfeedFetcher = require(`../../../../../${defaults.defaultModulesDir}/newsfeed/newsfeedfetcher`);
-
-const xmlContent = fs.readFileSync(path.resolve(__dirname, "../../../../mocks/newsfeed_test.xml"), "utf8");
+const xmlContent = fs.readFileSync(path.resolve(import.meta.dirname, "../../../../mocks/newsfeed_test.xml"), "utf8");
 
 const feedResponse = (fetcher, xml = xmlContent) => new Promise((resolve) => {
 	fetcher.onReceive(() => resolve(fetcher.items));
diff --git a/tests/unit/modules/default/newsfeed/node_helper_spec.js b/tests/unit/modules/default/newsfeed/node_helper_spec.js
index 4a6d4cd180..df5c9dca50 100644
--- a/tests/unit/modules/default/newsfeed/node_helper_spec.js
+++ b/tests/unit/modules/default/newsfeed/node_helper_spec.js
@@ -1,70 +1,55 @@
-import Module from "node:module";
 import { afterEach, describe, expect, it, vi } from "vitest";
 
-const loadNewsfeedNodeHelper = async () => {
-	vi.resetModules();
-
+const mocks = vi.hoisted(() => {
+	const fetcherInstances = [];
 	const loggerMock = {
 		log: vi.fn(),
 		warn: vi.fn(),
 		error: vi.fn()
 	};
-	const fetcherInstances = [];
-	const originalRequire = Module.prototype.require;
-
-	Module.prototype.require = function (id) {
-		if (id === "node_helper") {
-			return {
-				create: vi.fn((definition) => definition)
-			};
+	class MockNewsfeedFetcher {
+		constructor (...args) {
+			this.url = args[0];
+			this.items = [];
+			this.onReceiveCallback = undefined;
+			this.onErrorCallback = undefined;
+			this.setReloadInterval = vi.fn();
+			this.broadcastItems = vi.fn();
+			this.startFetch = vi.fn();
+			fetcherInstances.push(this);
 		}
 
-		if (id === "logger") {
-			return loggerMock;
+		onReceive (callback) {
+			this.onReceiveCallback = callback;
 		}
 
-		if (id === "./newsfeedfetcher") {
-			return class MockNewsfeedFetcher {
-				constructor (...args) {
-					this.url = args[0];
-					this.items = [];
-					this.onReceiveCallback = undefined;
-					this.onErrorCallback = undefined;
-					this.setReloadInterval = vi.fn();
-					this.broadcastItems = vi.fn();
-					this.startFetch = vi.fn();
-					fetcherInstances.push(this);
-				}
-
-				onReceive (callback) {
-					this.onReceiveCallback = callback;
-				}
-
-				onError (callback) {
-					this.onErrorCallback = callback;
-				}
-			};
+		onError (callback) {
+			this.onErrorCallback = callback;
 		}
+	}
 
-		return originalRequire.apply(this, arguments);
-	};
+	return { fetcherInstances, loggerMock, MockNewsfeedFetcher };
+});
 
-	let helper;
-	try {
-		const helperModule = await import("../../../../../defaultmodules/newsfeed/node_helper");
-		helper = helperModule.default || helperModule;
-	} finally {
-		Module.prototype.require = originalRequire;
-	}
+vi.mock("node_helper", () => ({
+	default: { create: (definition) => definition }
+}));
+vi.mock("logger", () => ({ default: mocks.loggerMock }));
+vi.mock("../../../../../defaultmodules/newsfeed/newsfeedfetcher.js", () => ({
+	default: mocks.MockNewsfeedFetcher
+}));
+
+import helper from "../../../../../defaultmodules/newsfeed/node_helper.js";
 
+const loadNewsfeedNodeHelper = () => {
+	mocks.fetcherInstances.length = 0;
 	helper.fetchers = {};
 	helper.sendSocketNotification = vi.fn();
-	return { helper, fetcherInstances, loggerMock };
+	return { helper, fetcherInstances: mocks.fetcherInstances, loggerMock: mocks.loggerMock };
 };
 
 afterEach(() => {
 	vi.resetAllMocks();
-	vi.resetModules();
 });