diff --git a/packages/babel-runtime-corejs2/package.json b/packages/babel-runtime-corejs2/package.json
index 162641912c..46974a5e28 100644
--- a/packages/babel-runtime-corejs2/package.json
+++ b/packages/babel-runtime-corejs2/package.json
@@ -11,5 +11,8 @@
   "dependencies": {
     "core-js": "^2.5.7",
     "regenerator-runtime": "^0.12.0"
+  },
+  "devDependencies": {
+    "@babel/helpers": "^7.2.0"
   }
 }
diff --git a/packages/babel-runtime/package.json b/packages/babel-runtime/package.json
index ad7b677d6d..a5b684245b 100644
--- a/packages/babel-runtime/package.json
+++ b/packages/babel-runtime/package.json
@@ -10,5 +10,8 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "dependencies": {
     "regenerator-runtime": "^0.12.0"
+  },
+  "devDependencies": {
+    "@babel/helpers": "^7.2.0"
   }
 }