diff --git a/package.json b/package.json
index fbdb4ed..2963dcb 100644
--- a/package.json
+++ b/package.json
@@ -7,9 +7,9 @@
     "babel-core": "^5.8.22",
     "babel-loader": "^5.3.2",
     "chai": "^3.2.0",
-    "core-js": "^1.0.1",
+    "core-js": "^1.1.1",
     "css-loader": "^0.15.6",
-    "eslint": "^1.1.0",
+    "eslint": "^1.2.1",
     "eslint-loader": "^1.0.0",
     "http-server": "^0.8.0",
     "isparta-loader": "^0.2.0",
@@ -26,7 +26,7 @@
     "react-hot-loader": "^1.2.8",
     "sass-loader": "^2.0.0",
     "style-loader": "^0.12.3",
-    "webpack": "^1.11.0",
+    "webpack": "^1.12.0",
     "webpack-dev-server": "^1.10.1"
   },
   "scripts": {