diff --git a/.travis.yml b/.travis.yml
index 7399e47..d79859a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,8 @@ node_js: stable
 env:
   - PATH=$HOME/purescript:$PATH
 install:
-  - TAG=$(basename $(curl --location --silent --output /dev/null -w %{url_effective} https://github.com/purescript/purescript/releases/latest))
+  # - TAG=$(basename $(curl --location --silent --output /dev/null -w %{url_effective} https://github.com/purescript/purescript/releases/latest))
+  - TAG=v0.14.0-rc3
   - curl --location --output $HOME/purescript.tar.gz https://github.com/purescript/purescript/releases/download/$TAG/linux64.tar.gz
   - tar -xvf $HOME/purescript.tar.gz -C $HOME/
   - chmod a+x $HOME/purescript
diff --git a/bower.json b/bower.json
index 3411e77..405fc93 100644
--- a/bower.json
+++ b/bower.json
@@ -20,9 +20,9 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-control": "^4.0.0",
-    "purescript-foldable-traversable": "^4.0.0",
-    "purescript-invariant": "^4.0.0",
-    "purescript-prelude": "^4.0.0"
+    "purescript-control": "master",
+    "purescript-foldable-traversable": "master",
+    "purescript-invariant": "master",
+    "purescript-prelude": "master"
   }
 }
diff --git a/package.json b/package.json
index bf1e132..9452364 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "devDependencies": {
     "eslint": "^4.19.1",
     "pulp": "^15.0.0",
-    "purescript-psa": "^0.6.0",
+    "purescript-psa": "^0.8.0",
     "rimraf": "^2.6.2"
   }
 }
diff --git a/src/Data/Lazy.purs b/src/Data/Lazy.purs
index cdc4b4b..2fa336b 100644
--- a/src/Data/Lazy.purs
+++ b/src/Data/Lazy.purs
@@ -29,6 +29,8 @@ import Data.TraversableWithIndex (class TraversableWithIndex)
 -- | `Lazy` values can be evaluated by using the `force` function.
 foreign import data Lazy :: Type -> Type
 
+type role Lazy representational
+
 -- | Defer a computation, creating a `Lazy` value.
 foreign import defer :: forall a. (Unit -> a) -> Lazy a