diff --git a/package.json b/package.json
index 9f44834..b869ab4 100644
--- a/package.json
+++ b/package.json
@@ -21,17 +21,17 @@
   },
   "homepage": "https://github.com/LLK/scratch-audio#readme",
   "devDependencies": {
-    "babel-core": "6.17.0",
-    "babel-eslint": "7.0.0",
-    "babel-loader": "6.2.5",
-    "babel-preset-es2015": "6.16.0",
-    "eslint": "3.7.1",
+    "babel-core": "6.22.1",
+    "babel-eslint": "7.1.1",
+    "babel-loader": "6.2.10",
+    "babel-preset-es2015": "6.22.0",
+    "eslint": "3.14.1",
     "json": "9.0.4",
     "minilog": "^3.0.1",
     "soundfont-player": "0.10.5",
     "tone": "0.9.0",
     "travis-after-all": "1.4.4",
-    "webpack": "1.13.2"
+    "webpack": "2.2.1"
   },
   "dependencies": {}
 }