diff --git a/packages/babel-polyfill/package.json b/packages/babel-polyfill/package.json
index 0832c79db1..9311fa9f78 100644
--- a/packages/babel-polyfill/package.json
+++ b/packages/babel-polyfill/package.json
@@ -8,7 +8,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-polyfill",
   "main": "lib/index.js",
   "dependencies": {
-    "core-js": "^2.5.3",
+    "core-js": "^2.5.6",
     "regenerator-runtime": "^0.11.1"
   }
 }
diff --git a/packages/babel-register/package.json b/packages/babel-register/package.json
index 5cef3b4636..1fae440e20 100644
--- a/packages/babel-register/package.json
+++ b/packages/babel-register/package.json
@@ -10,7 +10,7 @@
     "./lib/node.js": "./lib/browser.js"
   },
   "dependencies": {
-    "core-js": "^2.5.3",
+    "core-js": "^2.5.6",
     "find-cache-dir": "^1.0.0",
     "home-or-tmp": "^3.0.0",
     "lodash": "^4.17.5",
diff --git a/packages/babel-runtime/package.json b/packages/babel-runtime/package.json
index 525e6faf2a..9357091b7f 100644
--- a/packages/babel-runtime/package.json
+++ b/packages/babel-runtime/package.json
@@ -6,7 +6,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-runtime",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "dependencies": {
-    "core-js": "^2.5.3",
+    "core-js": "^2.5.6",
     "regenerator-runtime": "^0.11.1"
   },
   "devDependencies": {