diff --git a/app/assets/javascripts/updateContent.js b/app/assets/javascripts/updateContent.js
index 516bd913f..eb94f33eb 100644
--- a/app/assets/javascripts/updateContent.js
+++ b/app/assets/javascripts/updateContent.js
@@ -2,7 +2,7 @@
   "use strict";
 
   var queues = {};
-  var dd = new diffDOM();
+  var dd = new diffDOM.DiffDOM();
 
   var getRenderer = $component => response => dd.apply(
     $component.get(0),
diff --git a/gulpfile.js b/gulpfile.js
index 7009c9a93..7f3347b79 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -96,7 +96,7 @@ const javascripts = () => {
       paths.npm + 'hogan.js/dist/hogan-3.0.2.js',
       paths.npm + 'jquery/dist/jquery.min.js',
       paths.npm + 'query-command-supported/dist/queryCommandSupported.min.js',
-      paths.npm + 'diff-dom/diffDOM.js',
+      paths.npm + 'diff-dom/browser/diffDOM.js',
       paths.npm + 'timeago/jquery.timeago.js',
       paths.npm + 'textarea-caret/index.js'
     ]))
diff --git a/package.json b/package.json
index 26ec1bedb..0105d04da 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   "dependencies": {
     "@babel/core": "7.4.0",
     "@babel/preset-env": "7.4.2",
-    "diff-dom": "2.3.1",
+    "diff-dom": "https://github.com/fiduswriter/diffDOM/archive/v3.1.0.tar.gz",
     "govuk-elements-sass": "3.1.2",
     "govuk_frontend_toolkit": "7.2.0",
     "govuk_template_jinja": "0.24.0",
@@ -46,5 +46,8 @@
     "gulp-sass-lint": "1.4.0",
     "jshint": "2.10.2",
     "jshint-stylish": "2.2.1"
+  },
+  "peerDependencies": {
+    "rollup": "1.10.0"
   }
 }