diff --git a/.travis.yml b/.travis.yml
index 15bacc0..891a85c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,17 +1,21 @@
 language: node_js
 dist: trusty
 sudo: required
-node_js: 6
+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 -s test
 after_success:
-- >-
-  test $TRAVIS_TAG &&
-  echo $GITHUB_TOKEN | pulp login &&
-  echo y | pulp publish --no-push
+  - >-
+    test $TRAVIS_TAG &&
+    echo $GITHUB_TOKEN | pulp login &&
+    echo y | pulp publish --no-push
diff --git a/bower.json b/bower.json
index e81ee7f..e57093f 100644
--- a/bower.json
+++ b/bower.json
@@ -14,14 +14,14 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-maybe": "^2.0.0",
-    "purescript-functions": "^2.0.0"
+    "purescript-maybe": "^3.0.0",
+    "purescript-functions": "^3.0.0"
   },
   "repository": {
     "type": "git",
     "url": "git://github.com/paf31/purescript-nullable.git"
   },
   "devDependencies": {
-    "purescript-console": "^2.0.0"
+    "purescript-console": "^3.0.0"
   }
 }
diff --git a/package.json b/package.json
index 921a344..68f8999 100644
--- a/package.json
+++ b/package.json
@@ -8,9 +8,8 @@
   "devDependencies": {
     "jscs": "^2.8.0",
     "jshint": "^2.9.1",
-    "pulp": "^9.0.1",
+    "pulp": "^10.0.4",
     "purescript-psa": "^0.3.9",
-    "purescript": "^0.10.1",
     "rimraf": "^2.5.0"
   }
 }
diff --git a/src/Data/Nullable.purs b/src/Data/Nullable.purs
index a082a13..b8ffd15 100644
--- a/src/Data/Nullable.purs
+++ b/src/Data/Nullable.purs
@@ -17,7 +17,7 @@ import Data.Maybe (Maybe(..), maybe)
 -- |
 -- | This type constructor may be useful when interoperating with JavaScript functions
 -- | which accept or return null values.
-foreign import data Nullable :: * -> *
+foreign import data Nullable :: Type -> Type
 
 -- | The null value.
 foreign import null :: forall a. Nullable a
@@ -38,8 +38,8 @@ toMaybe n = runFn3 nullable n Nothing Just
 instance showNullable :: Show a => Show (Nullable a) where
   show = maybe "null" show <<< toMaybe
 
-instance eqNullable :: (Eq a) => Eq (Nullable a) where
+instance eqNullable :: Eq a => Eq (Nullable a) where
   eq = eq `on` toMaybe
 
-instance ordNullable :: (Ord a) => Ord (Nullable a) where
+instance ordNullable :: Ord a => Ord (Nullable a) where
   compare = compare `on` toMaybe