diff --git a/package.json b/package.json
index 051d7888..e7a7a780 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "classnames": "^2.2.6",
     "compression": "^1.7.4",
     "cookie-parser": "^1.4.4",
-    "core-js": "^2.5.7",
+    "core-js": "^3.1.4",
     "decimal.js": "10.0.1",
     "dotenv": "6.2.0",
     "dotenv-expand": "4.2.0",
diff --git a/src/index.js b/src/index.js
index 3f856b08..77975539 100644
--- a/src/index.js
+++ b/src/index.js
@@ -13,8 +13,8 @@
 
 // React 16 depends on the collection types Map and Set, as well as requestAnimationFrame.
 // https://reactjs.org/docs/javascript-environment-requirements.html
-import 'core-js/es6/map';
-import 'core-js/es6/set';
+import 'core-js/features/map';
+import 'core-js/features/set';
 import 'raf/polyfill';
 
 import React from 'react';
diff --git a/yarn.lock b/yarn.lock
index a6703722..93b02486 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3018,11 +3018,16 @@ core-js@^1.0.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
   integrity sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY=
 
-core-js@^2.4.0, core-js@^2.5.7:
+core-js@^2.4.0:
   version "2.6.5"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.5.tgz#44bc8d249e7fb2ff5d00e0341a7ffb94fbf67895"
   integrity sha512-klh/kDpwX8hryYL14M9w/xei6vrv6sE8gTHDG7/T/+SEovB/G4ejwcfE/CBzO6Edsu+OETZMZ3wcX/EjUkrl5A==
 
+core-js@^3.1.4:
+  version "3.1.4"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.1.4.tgz#3a2837fc48e582e1ae25907afcd6cf03b0cc7a07"
+  integrity sha512-YNZN8lt82XIMLnLirj9MhKDFZHalwzzrL9YLt6eb0T5D0EDl4IQ90IGkua8mHbnxNrkj1d8hbdizMc0Qmg1WnQ==
+
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"