diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000..39963d3
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,28 @@
+{
+  "parserOptions": {
+    "ecmaVersion": 5
+  },
+  "extends": "eslint:recommended",
+  "env": {
+    "commonjs": true
+  },
+  "rules": {
+    "strict": [2, "global"],
+    "block-scoped-var": 2,
+    "consistent-return": 2,
+    "eqeqeq": [2, "smart"],
+    "guard-for-in": 2,
+    "no-caller": 2,
+    "no-extend-native": 2,
+    "no-loop-func": 2,
+    "no-new": 2,
+    "no-param-reassign": 2,
+    "no-return-assign": 2,
+    "no-unused-expressions": 2,
+    "no-use-before-define": 2,
+    "radix": [2, "always"],
+    "indent": [2, 2, { "SwitchCase": 1 }],
+    "quotes": [2, "double"],
+    "semi": [2, "always"]
+  }
+}
diff --git a/.gitignore b/.gitignore
index f5b26f9..7050558 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,7 @@
-/bower_components
-/node_modules
-/.psci_modules
-/output
-/.psci
-/npm-debug.log*
-/.pulp-cache
-/.pursuit.json
+/.*
+!/.gitignore
+!/.eslintrc.json
+!/.travis.yml
+/bower_components/
+/node_modules/
+/output/
diff --git a/.jscsrc b/.jscsrc
deleted file mode 100644
index e512c78..0000000
--- a/.jscsrc
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "preset": "grunt",
-  "disallowSpacesInFunctionExpression": null,
-  "disallowSpacesInAnonymousFunctionExpression": null,
-  "requireSpacesInAnonymousFunctionExpression": {
-    "beforeOpeningRoundBrace": true,
-    "beforeOpeningCurlyBrace": true
-  },
-  "disallowSpacesInsideObjectBrackets": null,
-  "requireSpacesInsideObjectBrackets": "all",
-  "validateQuoteMarks": "\"",
-  "requireCurlyBraces": null
-}
diff --git a/.jshintrc b/.jshintrc
deleted file mode 100644
index f391159..0000000
--- a/.jshintrc
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  "bitwise": true,
-  "eqeqeq": true,
-  "forin": true,
-  "freeze": true,
-  "funcscope": true,
-  "futurehostile": true,
-  "globalstrict": true,
-  "latedef": true,
-  "maxparams": 1,
-  "noarg": true,
-  "nocomma": true,
-  "nonew": true,
-  "notypeof": true,
-  "singleGroups": true,
-  "undef": true,
-  "unused": true,
-  "eqnull": true
-}
diff --git a/.travis.yml b/.travis.yml
index 389dddc..a912a93 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: node_js
-sudo: false
-node_js:
-  - 5
+dist: trusty
+sudo: required
+node_js: stable
 env:
   - PATH=$HOME/purescript:$PATH
 install:
@@ -12,13 +12,7 @@ install:
   - npm install -g bower
   - npm install
 script:
-  - npm run build
-  - npm run test
-after_success:
-- >-
-  test $TRAVIS_TAG &&
-  psc-publish > .pursuit.json &&
-  curl -X POST http://pursuit.purescript.org/packages \
-    -d @.pursuit.json \
-    -H 'Accept: application/json' \
-    -H "Authorization: token ${GITHUB_TOKEN}"
+  - bower install --production
+  - npm run -s build
+  - bower install
+  - npm -s test
diff --git a/bower.json b/bower.json
index 49eec1c..f978f2e 100644
--- a/bower.json
+++ b/bower.json
@@ -2,9 +2,6 @@
   "name": "purescript-unique",
   "homepage": "https://github.com/mechairoi/purescript-unique",
   "description": "Data.Unique for PureScript",
-  "keywords": [
-    "purescript"
-  ],
   "license": "MIT",
   "repository": {
     "type": "git",
@@ -20,11 +17,11 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-prelude": "^2.1.0",
-    "purescript-eff": "^2.0.0"
+    "purescript-prelude": "^3.0.0",
+    "purescript-eff": "^3.1.0"
   },
   "devDependencies": {
-    "purescript-console": "^2.0.0",
-    "purescript-assert": "^2.0.0"
+    "purescript-console": "^3.0.0",
+    "purescript-assert": "^3.0.0"
   }
 }
diff --git a/package.json b/package.json
index 770a44b..690d264 100644
--- a/package.json
+++ b/package.json
@@ -1,18 +1,14 @@
 {
-  "name": "purescript-unique",
-  "description": "Data.Unique for PureScript",
   "private": true,
-  "license": "MIT",
   "devDependencies": {
-    "jscs": "^2.9.0",
-    "jshint": "^2.9.1",
-    "pulp": "^9.0.1",
-    "rimraf": "^2.5.1"
+    "eslint": "^3.19.0",
+    "pulp": "^11.0.0",
+    "purescript-psa": "^0.5.1",
+    "rimraf": "^2.6.1"
   },
   "scripts": {
-    "postinstall": "bower install",
-    "build": "jshint src && jscs src && pulp build && rimraf docs && pulp docs",
-    "docs": "pulp docs",
+    "clean": "rimraf output && rimraf .pulp-cache",
+    "build": "eslint src && pulp build -- --censor-lib --strict",
     "test": "pulp test"
   }
 }
diff --git a/src/Data/Unique.purs b/src/Data/Unique.purs
index 51843af..75cb1b5 100644
--- a/src/Data/Unique.purs
+++ b/src/Data/Unique.purs
@@ -4,10 +4,10 @@ module Data.Unique
   , UNIQ()
   ) where
 
-import Control.Monad.Eff (Eff)
+import Control.Monad.Eff (Eff, kind Effect)
 import Prelude (class Ord, class Eq, class Show, compare, (==))
 
-foreign import data UNIQ :: !
+foreign import data UNIQ :: Effect
 
 newtype Unique = Unique String
 
diff --git a/test/Main.purs b/test/Main.purs
index 366f642..510a577 100644
--- a/test/Main.purs
+++ b/test/Main.purs
@@ -1,6 +1,6 @@
 module Test.Main where
 
-import Prelude ((==), ($), (/=), bind, Unit)
+import Prelude ((==), ($), (/=), discard, bind, Unit)
 import Data.Unique (newUnique, UNIQ)
 import Test.Assert (assert, ASSERT)
 import Control.Monad.Eff (Eff)