diff --git a/.size-snapshot.json b/.size-snapshot.json
index 2f59bf042..bc049a26a 100644
--- a/.size-snapshot.json
+++ b/.size-snapshot.json
@@ -1,54 +1,54 @@
 {
   "preact/dist/downshift.cjs.js": {
-    "bundled": 51594,
-    "minified": 22044,
-    "gzipped": 6382
+    "bundled": 50885,
+    "minified": 21771,
+    "gzipped": 6211
   },
   "preact/dist/downshift.umd.min.js": {
-    "bundled": 56003,
-    "minified": 18564,
-    "gzipped": 6179
+    "bundled": 56007,
+    "minified": 18568,
+    "gzipped": 6193
   },
   "dist/downshift.umd.min.js": {
-    "bundled": 60311,
-    "minified": 19765,
-    "gzipped": 6727
+    "bundled": 60315,
+    "minified": 19769,
+    "gzipped": 6743
   },
   "dist/downshift.cjs.js": {
-    "bundled": 53025,
-    "minified": 23194,
-    "gzipped": 6584
+    "bundled": 52316,
+    "minified": 22921,
+    "gzipped": 6409
   },
   "dist/downshift.umd.js": {
-    "bundled": 89564,
-    "minified": 29772,
-    "gzipped": 9598
+    "bundled": 89568,
+    "minified": 29776,
+    "gzipped": 9613
   },
   "preact/dist/downshift.esm.js": {
-    "bundled": 51314,
-    "minified": 21817,
-    "gzipped": 6315,
+    "bundled": 50541,
+    "minified": 21504,
+    "gzipped": 6147,
     "treeshaked": {
       "rollup": {
-        "code": 16085,
-        "import_statements": 78
+        "code": 15786,
+        "import_statements": 319
       },
       "webpack": {
-        "code": 17130
+        "code": 17016
       }
     }
   },
   "dist/downshift.esm.js": {
-    "bundled": 52725,
-    "minified": 22952,
-    "gzipped": 6516,
+    "bundled": 51952,
+    "minified": 22639,
+    "gzipped": 6344,
     "treeshaked": {
       "rollup": {
-        "code": 16095,
-        "import_statements": 96
+        "code": 15796,
+        "import_statements": 337
       },
       "webpack": {
-        "code": 17173
+        "code": 17061
       }
     }
   },
@@ -58,8 +58,8 @@
     "gzipped": 9728
   },
   "preact/dist/downshift.umd.js": {
-    "bundled": 60544,
-    "minified": 21164,
-    "gzipped": 6955
+    "bundled": 60548,
+    "minified": 21168,
+    "gzipped": 6969
   }
 }
diff --git a/other/misc-tests/jest.config.js b/other/misc-tests/jest.config.js
index ca3fd7760..a351044fd 100644
--- a/other/misc-tests/jest.config.js
+++ b/other/misc-tests/jest.config.js
@@ -1,6 +1,13 @@
 const jestConfig = require('kcd-scripts/config').jest
+const babelHelpersList = require('@babel/helpers').list
 
 module.exports = Object.assign(jestConfig, {
   roots: ['.'],
   testEnvironment: 'jsdom',
+  moduleNameMapper: babelHelpersList.reduce((aliasMap, helper) => {
+    aliasMap[
+      `@babel/runtime/helpers/esm/${helper}`
+    ] = `@babel/runtime/helpers/${helper}`
+    return aliasMap
+  }, {}),
 })
diff --git a/package.json b/package.json
index 6fc940ca7..c85f6f36b 100644
--- a/package.json
+++ b/package.json
@@ -61,10 +61,12 @@
     "react": ">=0.14.9"
   },
   "dependencies": {
+    "@babel/runtime": "^7.1.2",
     "compute-scroll-into-view": "^1.0.9",
     "prop-types": "^15.6.0"
   },
   "devDependencies": {
+    "@babel/helpers": "^7.1.2",
     "@types/react": "^16.4.14",
     "babel-plugin-macros": "^2.4.2",
     "babel-preset-react-native": "^5.0.0",
@@ -77,7 +79,7 @@
     "flow-bin": "^0.82.0",
     "flow-coverage-report": "^0.6.0",
     "jest-dom": "^2.0.2",
-    "kcd-scripts": "^0.44.0",
+    "kcd-scripts": "^0.45.0",
     "npm-run-all": "^4.1.2",
     "preact": "^8.2.6",
     "preact-render-to-string": "^3.7.0",