diff --git a/install/package.json b/install/package.json
index 75b011bbb9..f4133ad8ee 100644
--- a/install/package.json
+++ b/install/package.json
@@ -99,7 +99,7 @@
         "nodebb-plugin-emoji": "5.1.13",
         "nodebb-plugin-emoji-android": "4.0.0",
         "nodebb-plugin-markdown": "13.0.0-pre.3",
-        "nodebb-plugin-mentions": "4.4.3",
+        "nodebb-plugin-mentions": "4.4.4",
         "nodebb-plugin-ntfy": "1.7.4",
         "nodebb-plugin-spam-be-gone": "2.2.1",
         "nodebb-rewards-essentials": "1.0.0",
diff --git a/src/upgrades/4.0.0/remote_user_urls.js b/src/upgrades/4.0.0/remote_user_urls.js
new file mode 100644
index 0000000000..9469d6cf93
--- /dev/null
+++ b/src/upgrades/4.0.0/remote_user_urls.js
@@ -0,0 +1,18 @@
+// REMOVE THIS PRIOR TO 4.0 ALPHA
+
+'use strict';
+
+// eslint-disable-next-line no-unused-vars
+const db = require('../../database');
+const activitypub = require('../../activitypub');
+
+module.exports = {
+	name: 'Re-assert all existing actors to save URL into hash',
+	timestamp: Date.UTC(2024, 3, 4),
+	method: async () => {
+		const batch = require('../../batch');
+		const { progress } = this;
+
+		await batch.processSortedSet('usersRemote:lastCrawled', async ids => await activitypub.actors.assert(ids, { update: true }), { progress });
+	},
+};