diff --git a/dev/boot.js b/dev/boot.js
index 565019d95..ab378872e 100644
--- a/dev/boot.js
+++ b/dev/boot.js
@@ -1,5 +1,6 @@
 
 import window from 'window';
+import elementDatasetPolyfill from 'element-dataset';
 
 import {Promise} from 'es6-promise-polyfill/promise.js';
 import {progressJs} from '../node_modules/Progress.js/src/progress.js';
@@ -21,6 +22,8 @@ window.progressJs.onbeforeend(() => {
 	}
 });
 
+elementDatasetPolyfill();
+
 require('json3');
 require('intersection-observer');
 require('../vendors/modernizr/modernizr-custom.js');
diff --git a/package.json b/package.json
index 0b53bff16..217290645 100644
--- a/package.json
+++ b/package.json
@@ -64,6 +64,7 @@
     "babel-runtime": "6.26.0",
     "classnames": "2.2.5",
     "copy-webpack-plugin": "4.0.1",
+    "element-dataset": "2.2.6",
     "es6-promise-polyfill": "1.2.0",
     "eslint": "4.6.1",
     "eslint-plugin-compat": "1.0.4",
@@ -93,7 +94,7 @@
     "gulp-util": "3.0.8",
     "gulp-zip": "4.0.0",
     "ifvisible.js": "1.0.6",
-    "intersection-observer": "^0.4.2",
+    "intersection-observer": "0.4.2",
     "jquery": "2.2.4",
     "jquery-backstretch": "2.1.16",
     "jquery-lazyload": "1.9.7",
diff --git a/yarn.lock b/yarn.lock
index 0fb28dfbc..907b41d4e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1680,6 +1680,12 @@ electron-to-chromium@^1.3.11, electron-to-chromium@^1.3.18:
   version "1.3.21"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.21.tgz#a967ebdcfe8ed0083fc244d1894022a8e8113ea2"
 
+element-dataset@^2.2.6:
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/element-dataset/-/element-dataset-2.2.6.tgz#a4e46dbb3ee991e8c7d5366ec654f87670c2ef80"
+  dependencies:
+    babel-runtime "^6.23.0"
+
 elliptic@^6.0.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.0.tgz#cac9af8762c85836187003c8dfe193e5e2eae5df"