diff --git a/.travis.yml b/.travis.yml
index 23fc471670..fc4cdbc0fc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: node_js
 node_js:
-  - 0.10
   - 4
   - 6
 cache:
@@ -8,8 +7,7 @@ cache:
     - node_modules
 sudo: false
 script:
-  - npm run test:babel
-  - rm -rf .tmp
+  - npm test
   - if [[ $TRAVIS_NODE_VERSION == "4" ]]; then ./node_modules/.bin/docpress build; fi
 after_success:
   - if [ "$TRAVIS_BRANCH" = "master" -a "$TRAVIS_PULL_REQUEST" = "false" ]; then ./node_modules/.bin/git-update-ghpages -e; fi
diff --git a/HISTORY.md b/HISTORY.md
index 6a95f41ea6..e58ac2f659 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -2,6 +2,7 @@
 > Unreleased
 
 - **Breaking** - the API expects `opts.storePath` instead of `opts.store_path`.
+- **Breaking** - drop support for node < 4.
 - [#21] - Support installing from files. ([#257], [@zkochan])
 - [#258] - Improve support for Windows. ([#259], [@zkochan])
 - [#262] - Improve support for build scripts that use npm config variables. ([@zkochan])
diff --git a/appveyor.yml b/appveyor.yml
index d6c433cad2..27d7819c78 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,5 @@
 environment:
   matrix:
-    - nodejs_version: 0.10
     - nodejs_version: 4
     - nodejs_version: 6
 install:
@@ -14,5 +13,4 @@ version: '{build}'
 test_script:
   - node --version
   - npm --version
-  - npm run test:babel
-  - rm -rf .tmp
+  - npm test
diff --git a/package.json b/package.json
index f6d7be6287..3f607ac751 100644
--- a/package.json
+++ b/package.json
@@ -17,18 +17,18 @@
     "bluebird": "3.4.1",
     "byline": "5.0.0",
     "camelcase-keys": "3.0.0",
-    "caw": "1.2.0",
+    "caw": "2.0.0",
     "chalk": "1.1.3",
     "commondir": "1.0.1",
     "cross-spawn": "^4.0.0",
     "debug": "2.2.0",
-    "got": "5.4.1",
+    "got": "6.3.0",
     "gunzip-maybe": "1.3.1",
     "lockfile": "1.0.1",
     "meow": "3.7.0",
     "mkdirp": "0.5.1",
     "mz": "2.4.0",
-    "node-gyp": "3.3.1",
+    "node-gyp": "3.4.0",
     "node-uuid": "1.4.7",
     "normalize-path": "2.0.1",
     "npm-package-arg": "4.2.0",
@@ -48,23 +48,19 @@
     "throat": "3.0.0"
   },
   "devDependencies": {
-    "babel-cli": "6.10.1",
-    "babel-plugin-transform-es2015-arrow-functions": "6.8.0",
-    "babel-plugin-transform-es2015-literals": "6.8.0",
     "docpress": "0.6.13",
-    "eslint": "2.13.0",
+    "eslint": "3.2.2",
     "eslint-config-standard": "5.3.5",
-    "eslint-plugin-promise": "2.0.0",
-    "eslint-plugin-standard": "1.3.2",
+    "eslint-plugin-promise": "2.0.1",
+    "eslint-plugin-standard": "2.0.0",
     "git-update-ghpages": "1.3.0",
-    "in-publish": "2.0.0",
     "isexe": "1.1.2",
     "istanbul": "^0.4.4",
     "nixt": "0.5.0",
-    "npm": "3.10.2",
+    "npm": "3.10.5",
     "sepia": "2.0.1",
     "tap-spec": "4.1.1",
-    "tape": "4.5.1"
+    "tape": "4.6.0"
   },
   "directories": {
     "test": "test"
@@ -77,24 +73,17 @@
   "license": "MIT",
   "main": "index.js",
   "preferGlobal": true,
+  "engines": {
+    "node": ">=4"
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/rstacruz/pnpm.git"
   },
   "scripts": {
-    "build": "if [ ! -d lib~ ]; then mv lib lib~; babel --source-maps inline -D lib~ -d lib; fi",
     "cover": "istanbul cover test/index.js",
     "lint": "eslint bin/ test/ lib/",
     "test": "npm run lint && node test | tap-spec",
-    "posttest": "rimraf .tmp",
-    "test:babel": "babel-node test | tap-spec",
-    "prepublish": "in-publish && npm run build || not-in-publish",
-    "postpublish": "rm -rf lib; mv lib~ lib"
-  },
-  "babel": {
-    "plugins": [
-      "transform-es2015-arrow-functions",
-      "transform-es2015-literals"
-    ]
+    "posttest": "rimraf .tmp"
   }
 }