diff --git a/.travis.yml b/.travis.yml
index 968390b..d980b08 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,12 +2,20 @@ language: node_js
 dist: trusty
 sudo: required
 node_js: stable
+env:
+  - PATH=$HOME/purescript:$PATH
 install:
+  - TAG=$(wget -q -O - https://github.com/purescript/purescript/releases/latest --server-response --max-redirect 0 2>&1 | sed -n -e 's/.*Location:.*tag\///p')
+  - wget -O $HOME/purescript.tar.gz https://github.com/purescript/purescript/releases/download/$TAG/linux64.tar.gz
+  - tar -xvf $HOME/purescript.tar.gz -C $HOME/
+  - chmod a+x $HOME/purescript
   - npm install -g bower
   - npm install
-  - bower install
 script:
+  - bower install --production
   - npm run -s build
+  - bower install
+  - npm run -s test
 after_success:
 - >-
   test $TRAVIS_TAG &&
diff --git a/bower.json b/bower.json
index e57093f..43401e1 100644
--- a/bower.json
+++ b/bower.json
@@ -5,6 +5,10 @@
   ],
   "description": "A library for dealing with nulls",
   "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/purescript-contrib/purescript-nullable.git"
+  },
   "ignore": [
     "**/.*",
     "bower_components",
@@ -14,14 +18,10 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-maybe": "^3.0.0",
-    "purescript-functions": "^3.0.0"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git://github.com/paf31/purescript-nullable.git"
+    "purescript-maybe": "^4.0.0",
+    "purescript-functions": "^4.0.0"
   },
   "devDependencies": {
-    "purescript-console": "^3.0.0"
+    "purescript-assert": "^4.0.0"
   }
 }
diff --git a/package.json b/package.json
index b6361b9..6615039 100644
--- a/package.json
+++ b/package.json
@@ -6,10 +6,9 @@
     "test": "pulp test"
   },
   "devDependencies": {
-    "eslint": "^3.19.0",
-    "pulp": "^11.0.0",
-    "purescript": "^0.11.1",
-    "purescript-psa": "^0.5.0",
-    "rimraf": "^2.6.1"
+    "eslint": "^4.19.1",
+    "pulp": "^12.2.0",
+    "purescript-psa": "^0.6.0",
+    "rimraf": "^2.6.2"
   }
 }
diff --git a/test/Main.purs b/test/Main.purs
index 2c2d456..a5733aa 100644
--- a/test/Main.purs
+++ b/test/Main.purs
@@ -2,18 +2,26 @@ module Test.Main where
 
 import Prelude
 
-import Control.Monad.Eff (Eff)
-import Control.Monad.Eff.Console (CONSOLE, logShow)
 import Data.Maybe (Maybe(..))
 import Data.Nullable (toNullable, toMaybe)
+import Effect (Effect)
+import Test.Assert (assertEqual)
 
-main :: Eff (console :: CONSOLE) Unit
+main :: Effect Unit
 main = do
-  logShow $ toNullable (Nothing :: Maybe Number)
-  logShow $ toNullable (Just 42)
-
-  logShow $ toMaybe $ toNullable (Nothing :: Maybe Number)
-  logShow $ toMaybe $ toNullable (Just 42)
-
-  logShow $ toNullable Nothing == toNullable (Just 42)
-  logShow $ toNullable Nothing `compare` toNullable (Just 42)
+  assertEqual
+    { actual: toMaybe $ toNullable (Nothing :: Maybe Number)
+    , expected: Nothing
+    }
+  assertEqual
+    { actual: toMaybe $ toNullable (Just 42)
+    , expected: Just 42
+    }
+  assertEqual
+    { actual: toNullable Nothing == toNullable (Just 42)
+    , expected: false
+    }
+  assertEqual
+    { actual: toNullable Nothing `compare` toNullable (Just 42)
+    , expected: LT
+    }