diff --git a/package.json b/package.json
index a06f4fa4..cb737633 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
     "arrify": "^1.0.1",
     "babel-cli": "^6.26.0",
     "babel-jest": "^20.0.3",
+    "babel-macros": "^1.0.0",
     "babel-plugin-external-helpers": "^6.22.0",
     "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-plugin-transform-inline-environment-variables": "^0.2.0",
diff --git a/src/config/babelrc.js b/src/config/babelrc.js
index 0722adcd..8c463ec6 100644
--- a/src/config/babelrc.js
+++ b/src/config/babelrc.js
@@ -20,6 +20,7 @@ module.exports = {
     ifAnyDep(['react', 'preact'], require.resolve('babel-preset-react')),
   ].filter(Boolean),
   plugins: [
+    require.resolve('babel-macros'),
     isRollup ? require.resolve('babel-plugin-external-helpers') : null,
     // we're actually not using JSX at all, but I'm leaving this
     // in here just in case we ever do (this would be easy to miss).