diff --git a/scripts/utils/ensure-existing-bridged-matrix-room-up-to-date.js b/scripts/utils/ensure-existing-bridged-matrix-room-up-to-date.js
new file mode 100755
index 0000000000000000000000000000000000000000..488ca7a14450544532379af5aa7679552e911f0a
--- /dev/null
+++ b/scripts/utils/ensure-existing-bridged-matrix-room-up-to-date.js
@@ -0,0 +1,53 @@
+#!/usr/bin/env node
+'use strict';
+
+const shutdown = require('shutdown');
+const persistence = require('gitter-web-persistence');
+const troupeService = require('gitter-web-rooms/lib/troupe-service');
+
+const installBridge = require('gitter-web-matrix-bridge');
+const matrixBridge = require('gitter-web-matrix-bridge/lib/matrix-bridge');
+const MatrixUtils = require('gitter-web-matrix-bridge/lib/matrix-utils');
+
+const matrixUtils = new MatrixUtils(matrixBridge);
+
+const opts = require('yargs')
+  .option('uri', {
+    alias: 'u',
+    required: true,
+    description: 'URI of the Gitter room to update'
+  })
+  .help('help')
+  .alias('help', 'h').argv;
+
+async function run() {
+  try {
+    console.log('Setting up Matrix bridge');
+    await installBridge();
+
+    try {
+      const room = await troupeService.findByUri(opts.uri);
+
+      const bridgedRoomEntry = await persistence.MatrixBridgedRoom.findOne({
+        troupeId: room._id
+      }).exec();
+
+      console.log(
+        `Updating matrixRoomId=${bridgedRoomEntry.matrixRoomId}, gitterRoomId=${bridgedRoomEntry.troupeId}`
+      );
+      await matrixUtils.ensureCorrectRoomState(
+        bridgedRoomEntry.matrixRoomId,
+        bridgedRoomEntry.troupeId
+      );
+    } catch (err) {
+      console.error(`Failed to update Matrix room`, err, err.stack);
+    }
+
+    console.log(`Bridged matrix room updated!`);
+  } catch (err) {
+    console.error(err, err.stack);
+  }
+  shutdown.shutdownGracefully();
+}
+
+run();