diff --git a/projects/npm-tools/packages/npm-scripts/src/jest/setup.js b/projects/npm-tools/packages/npm-scripts/src/jest/setup.js
index 1a1cc2fd7a..aa3f7ee119 100644
--- a/projects/npm-tools/packages/npm-scripts/src/jest/setup.js
+++ b/projects/npm-tools/packages/npm-scripts/src/jest/setup.js
@@ -3,10 +3,34 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+/* eslint-env browser */
+
 global.Headers = require('./mocks/Headers');
 
 global.Liferay = require('./mocks/Liferay');
 
+// Temporary `createRange` mock until we update Jest 26 and jsdom >= 16.
+// See: https://github.com/liferay/liferay-frontend-projects/issues/46
+
+if (!global.createRange) {
+	global.createRange = () => ({
+		createContextualFragment(htmlString) {
+			const div = document.createElement('div');
+
+			div.innerHTML = `<br>${htmlString}`;
+			div.removeChild(div.firstChild);
+
+			const fragment = document.createDocumentFragment();
+
+			while (div.firstChild) {
+				fragment.appendChild(div.firstChild);
+			}
+
+			return fragment;
+		},
+	});
+}
+
 global.fetch = require('jest-fetch-mock');
 
 global.themeDisplay = global.Liferay.ThemeDisplay;