diff --git a/.travis.yml b/.travis.yml
index dd9c7d7..66da98d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,10 @@
 language: node_js
 sudo: false
 node_js:
-  - 5
+  - 7
 before_install:
   - curl -L https://raw.githubusercontent.com/futurice/fum2github/3a270cf7a3b600900c1a8ed07c23d5f3ba8b115d/travis_long > travis_long && chmod +x travis_long
 install:
-  - ./travis_long npm install bower -g
   - ./travis_long npm install
 script:
   - ./travis_long npm test
diff --git a/bower.json b/bower.json
index e6b92e4..12e4119 100644
--- a/bower.json
+++ b/bower.json
@@ -21,13 +21,14 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-eff": "1.0.0",
-    "purescript-generics": "1.0.0",
-    "purescript-argonaut-codecs": "1.0.0"
+    "purescript-eff": "^3.1.0",
+    "purescript-generics": "^4.0.0",
+    "purescript-argonaut-codecs": "^3.1.0",
+    "purescript-argonaut-generic": "^1.0.0"
   },
   "devDependencies": {
-    "purescript-console": "1.0.0",
-    "purescript-spec": "0.8.0"
+    "purescript-console": "^3.0.0",
+    "purescript-spec": "^1.0.0"
   },
   "version": "0.2.1"
 }
diff --git a/package.json b/package.json
index ed09c4f..aae0503 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,8 @@
     "test": "pulp test"
   },
   "devDependencies": {
-    "pulp": "9.0.1",
-    "purescript": "0.9.1"
+    "bower": "^1.8.0",
+    "pulp": "^11.0.0",
+    "purescript": "^0.11.4"
   }
 }
diff --git a/src/Electron.purs b/src/Electron.purs
index c254762..92763f7 100644
--- a/src/Electron.purs
+++ b/src/Electron.purs
@@ -1,4 +1,6 @@
 module Electron where
 
+import Control.Monad.Eff (kind Effect)
+
 -- | The `ELECTRON` effect represents computations which require and affect the Electron environment.
-foreign import data ELECTRON :: !
+foreign import data ELECTRON :: Effect
diff --git a/src/Electron/BrowserWindow.purs b/src/Electron/BrowserWindow.purs
index e0a2c29..4045b6e 100644
--- a/src/Electron/BrowserWindow.purs
+++ b/src/Electron/BrowserWindow.purs
@@ -42,7 +42,7 @@ derive instance genericBrowserWindowOption :: Generic BrowserWindowOption
 
 derive instance genericWebPreference :: Generic WebPreference
 
-foreign import data BrowserWindow :: *
+foreign import data BrowserWindow :: Type
 
 newBrowserWindow :: forall eff
    . BrowserWindowOptions
@@ -63,7 +63,7 @@ foreign import onClose :: forall eff
   -> Eff (electron :: ELECTRON | eff) Unit
   -> Eff (electron :: ELECTRON | eff) Unit
 
-foreign import data WebContents :: *
+foreign import data WebContents :: Type
 
 foreign import webContents :: forall eff
    . BrowserWindow
diff --git a/src/Electron/Event.purs b/src/Electron/Event.purs
index b271c99..f1ffac0 100644
--- a/src/Electron/Event.purs
+++ b/src/Electron/Event.purs
@@ -8,7 +8,7 @@ import Prelude (Unit)
 import Control.Monad.Eff (Eff)
 import Electron (ELECTRON)
 
-foreign import data Event :: *
+foreign import data Event :: Type
 
 foreign import preventDefault :: forall e. Event -> Eff (electron :: ELECTRON | e) Unit
 
diff --git a/src/Electron/Options.purs b/src/Electron/Options.purs
index acdf80e..e2c059b 100644
--- a/src/Electron/Options.purs
+++ b/src/Electron/Options.purs
@@ -4,12 +4,13 @@ module Electron.Options
 
 import Prelude ((+), (>>>), unit, (#), map)
 import Data.Argonaut.Core (Json)
-import Data.Argonaut.Encode (encodeJson, gEncodeJson')
+import Data.Argonaut.Encode (encodeJson)
+import Data.Argonaut.Encode.Generic (gEncodeJson')
 import Data.Foldable (foldl)
 import Data.Generic (class Generic, GenericSpine(SArray, SProd), toSpine)
 import Data.Maybe (Maybe(Just))
 import Data.Monoid ((<>))
-import Data.String (drop, lastIndexOf, take, toLower)
+import Data.String (Pattern(..), drop, lastIndexOf, take, toLower)
 import Data.StrMap as M
 
 encodeOptions :: forall a. (Generic a) => Array a -> Json
@@ -32,6 +33,6 @@ toCamelCase s = toLower (take 1 s) <> drop 1 s
 
 simpleName :: String -> String
 simpleName qname =
-  case lastIndexOf "." qname of
+  case lastIndexOf (Pattern ".") qname of
     Just index -> drop (index + 1) qname
     _          -> qname
diff --git a/src/Electron/Types.purs b/src/Electron/Types.purs
index 1ef8c1d..76f34f2 100644
--- a/src/Electron/Types.purs
+++ b/src/Electron/Types.purs
@@ -5,13 +5,12 @@ module Electron.Types
   ) where
 
 import Prelude (Unit)
-import Control.Monad.Eff (Eff)
-import Electron (ELECTRON)
+import Control.Monad.Eff (kind Effect, Eff)
 import Electron.Event (Event)
 
 -- | A boxed function that can be used as an event listener. This is necessary
 -- | due to the underling implementation of Eff functions.
-foreign import data Listener :: # ! -> *
+foreign import data Listener :: # Effect -> Type
 
 -- | Creates a Listener from a normal PureScript Eff function.
 foreign import mkListener
diff --git a/test/Main.purs b/test/Main.purs
index 1ec9cad..fc2c7fa 100644
--- a/test/Main.purs
+++ b/test/Main.purs
@@ -4,6 +4,8 @@ import Prelude (Unit)
 
 import Control.Monad.Eff (Eff)
 import Control.Monad.Eff.Console (CONSOLE)
+import Control.Monad.Aff.AVar (AVAR)
+import Control.Monad.Eff.Timer (TIMER)
 import Node.Process (PROCESS)
 
 import Data.Argonaut.Encode.Combinators ((~>), (:=))
@@ -17,7 +19,7 @@ import Test.Spec.Runner (run)
 import Electron.BrowserWindow (BrowserWindowOption(WebPreferences, Height, Width), WebPreference(OverlayScrollbars))
 import Electron.Options (encodeOptions)
 
-main :: forall eff. Eff (process :: PROCESS, console :: CONSOLE | eff) Unit
+main :: forall eff. Eff (process :: PROCESS, console :: CONSOLE, avar :: AVAR, timer :: TIMER | eff) Unit
 main = run [consoleReporter] do
   describe "encodeOptions :: BrowserWindowOptions -> Json" do
     it "can encode all options" do