diff --git a/package-lock.json b/package-lock.json
index 916030627..b6460727f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6929,6 +6929,12 @@
       "integrity": "sha1-mEcocL8igTL8vdhoEputEsPAKeM=",
       "dev": true
     },
+    "promise-polyfill": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/promise-polyfill/-/promise-polyfill-8.1.0.tgz",
+      "integrity": "sha512-OzSf6gcCUQ01byV4BgwyUCswlaQQ6gzXc23aLQWhicvfX9kfsUiUhgt3CCQej8jDnl8/PhGF31JdHX2/MzF3WA==",
+      "dev": true
+    },
     "proxy-addr": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.4.tgz",
diff --git a/package.json b/package.json
index e7dc4a52b..d93cba5bd 100644
--- a/package.json
+++ b/package.json
@@ -129,6 +129,7 @@
     "lint-staged": "~7.2.0",
     "pre-commit": "~1.2.2",
     "prettier": "~1.13.7",
+    "promise-polyfill": "~8.1.0",
     "sinon": "~2.3.6",
     "source-map-support": "~0.5.6",
     "style-loader": "~0.20.3",
diff --git a/webpack.config.ts b/webpack.config.ts
index 5f94947a8..6e48ed123 100644
--- a/webpack.config.ts
+++ b/webpack.config.ts
@@ -74,14 +74,14 @@ function getEntries() {
       'url-search-params-polyfill',
       'core-js/fn/map',
       'core-js/fn/object/assign',
-      'core-js/fn/promise',
+      'promise-polyfill',
       './src/browser/intern.ts'
     ],
     remote: [
       'url-search-params-polyfill',
       'core-js/fn/map',
       'core-js/fn/object/assign',
-      'core-js/fn/promise',
+      'promise-polyfill',
       './src/browser/remote.ts'
     ],
     config: './src/browser/config.ts'