diff --git a/bower.json b/bower.json
index 5ebd5e1..08a80d7 100644
--- a/bower.json
+++ b/bower.json
@@ -17,15 +17,15 @@
   ],
   "dependencies": {
     "rot.js": "^0.5.0",
-    "purescript-base": "^1.0.0",
-    "purescript-functions": "^1.0.0",
-    "purescript-arrays": "^1.0.0",
-    "purescript-options": "^1.0.0",
-    "purescript-foreign": "^1.0.0",
-    "purescript-eff": "^1.0.0"
+    "purescript-prelude": "^3.0.0",
+    "purescript-functions": "^3.0.0",
+    "purescript-arrays": "^4.0.0",
+    "purescript-options": "^3.0.0",
+    "purescript-foreign": "^4.0.0",
+    "purescript-eff": "^3.0.0"
   },
   "devDependencies": {
-    "purescript-psci-support": "^1.0.0"
+    "purescript-psci-support": "^3.0.0"
   },
-  "version": "0.0.1"
+  "version": "0.1.0"
 }
diff --git a/src/RotJS/Display/RotJS-Display.purs b/src/RotJS/Display/RotJS-Display.purs
index 7b8103a..8a915b6 100644
--- a/src/RotJS/Display/RotJS-Display.purs
+++ b/src/RotJS/Display/RotJS-Display.purs
@@ -17,17 +17,17 @@ module RotJS.Display (
   ) where
 
 import Prelude
-import Control.Monad.Eff (Eff)
+import Control.Monad.Eff (Eff, kind Effect)
 import Data.Function.Uncurried (Fn4, runFn4, Fn2, runFn2)
-import Data.Options (Option(), Options(), options, opt, (:=))
+import Data.Options (Option(), Options(), options, opt)
 import Data.Foreign (Foreign())
 
 -- | `TTY` effect denotes computations which manipulate the ROT.js Display`
-foreign import data TTY :: !
+foreign import data TTY :: Effect
 
 -- | ROT.js display context
-foreign import data Display :: *
-foreign import data DisplayConfig :: *
+foreign import data Display :: Type
+foreign import data DisplayConfig :: Type
 
 type Coord = {x :: Int, y :: Int}
 type Color = String
diff --git a/src/RotJS/FOV/RotJS-FOV.purs b/src/RotJS/FOV/RotJS-FOV.purs
index 6de563f..bc811a6 100644
--- a/src/RotJS/FOV/RotJS-FOV.purs
+++ b/src/RotJS/FOV/RotJS-FOV.purs
@@ -2,7 +2,7 @@ module RotJS.FOV (FOV, TransparencyMap, TransparencyCell, VisibilityMap, Visibil
 
 import Data.Function.Uncurried (Fn4, runFn4)
 
-foreign import data FOV :: *
+foreign import data FOV :: Type
 
 type TransparencyCell = Boolean
 type VisibilityCell = Boolean
diff --git a/src/RotJS/Map/RotJS-Map.purs b/src/RotJS/Map/RotJS-Map.purs
index 22cdf25..30c8e35 100644
--- a/src/RotJS/Map/RotJS-Map.purs
+++ b/src/RotJS/Map/RotJS-Map.purs
@@ -17,7 +17,7 @@ module RotJS.Map  ( arena
 
 import Control.Monad.Eff (Eff)
 import Data.Function.Uncurried (Fn3, runFn3, Fn2, runFn2)
-import Data.Options (Option(), Options(), options, opt, (:=))
+import Data.Options (Option(), Options(), options, opt)
 import RotJS.RNG as Random
 import Data.Foreign (Foreign())
 
@@ -57,7 +57,7 @@ foreign import buildRogueRaw :: forall eff. Fn2 Int Int (Eff (rotrng :: Random.R
 -- dugPercentage – algorithm stops after this fraction of map area has been dug out; default = 0.2
 -- timeLimit – algorithm stops after this amount of milliseconds has passed
 
-foreign import data MapGenConfig :: *
+foreign import data MapGenConfig :: Type
 
 roomWidth :: Option MapGenConfig (Array Int)
 roomWidth = opt "roomWidth"
diff --git a/src/RotJS/Path/RotJS-Path.purs b/src/RotJS/Path/RotJS-Path.purs
index 509c9d1..1227ffd 100644
--- a/src/RotJS/Path/RotJS-Path.purs
+++ b/src/RotJS/Path/RotJS-Path.purs
@@ -11,7 +11,7 @@ type TraversableMap = {  width :: Int,
 type Coord = {x :: Int, y :: Int}
 type Path = Array Coord
 
-foreign import data PathGen :: *
+foreign import data PathGen :: Type
 
 foreign import dijkstraRaw :: Fn3 TraversableMap
                                   Int
diff --git a/src/RotJS/RNG/RotJS-RNG.purs b/src/RotJS/RNG/RotJS-RNG.purs
index 31bbb5b..1a3006a 100644
--- a/src/RotJS/RNG/RotJS-RNG.purs
+++ b/src/RotJS/RNG/RotJS-RNG.purs
@@ -7,12 +7,12 @@ module RotJS.RNG  ( RNG
                   ) where
 
 import Prelude
-import Control.Monad.Eff (Eff)
+import Control.Monad.Eff (Eff, kind Effect)
 import Data.Function.Uncurried (Fn2, runFn2)
 
 
 -- | `RNG` effect denotes computations which manipulate the ROT.js RNG`
-foreign import data RNG :: !
+foreign import data RNG :: Effect
 
 foreign import setSeed :: forall eff. Int -> Eff (rotrng :: RNG | eff) Unit
 foreign import getSeed :: forall eff. Eff (rotrng :: RNG | eff) Int
diff --git a/src/RotJS/Scheduler/RotJS-Scheduler.purs b/src/RotJS/Scheduler/RotJS-Scheduler.purs
index 75776c3..7c628c1 100644
--- a/src/RotJS/Scheduler/RotJS-Scheduler.purs
+++ b/src/RotJS/Scheduler/RotJS-Scheduler.purs
@@ -18,12 +18,12 @@ module RotJS.Scheduler (
     )  where
 
 import Prelude
-import Control.Monad.Eff (Eff)
+import Control.Monad.Eff (Eff, kind Effect)
 import Data.Function.Uncurried (Fn2, runFn2, Fn3, runFn3)
 
 -- | `Scheduling` effect denotes computations which manipulate the ROT.js Scheduler`
-foreign import data SCHEDULING :: !
-foreign import data SchedulerObject :: *
+foreign import data SCHEDULING :: Effect
+foreign import data SchedulerObject :: Type
 
 data SimpleScheduler = SimpleScheduler SchedulerObject
 data ActionScheduler = ActionScheduler SchedulerObject