diff --git a/bower.json b/bower.json
index 21f1440..c173acf 100644
--- a/bower.json
+++ b/bower.json
@@ -12,17 +12,17 @@
     "url": "git://github.com/purescript-contrib/purescript-precise.git"
   },
   "dependencies": {
-    "purescript-arrays": "^5.0.0",
-    "purescript-globals": "^4.0.0",
-    "purescript-integers": "^4.0.0",
-    "purescript-generics-rep": "^6.0.0",
-    "purescript-strings": "^4.0.0",
-    "purescript-gen": "^2.1.0",
-    "purescript-lists": "^5.4.0",
-    "purescript-exceptions": "^4.0.0"
+    "purescript-arrays": "master",
+    "purescript-exceptions": "master",
+    "purescript-gen": "master",
+    "purescript-integers": "master",
+    "purescript-lists": "master",
+    "purescript-numbers": "master",
+    "purescript-prelude": "master",
+    "purescript-strings": "master"
   },
   "devDependencies": {
-    "purescript-quickcheck": "^6.1.0",
-    "purescript-quickcheck-laws": "^5.0.1"
+    "purescript-quickcheck": "master",
+    "purescript-quickcheck-laws": "master"
   }
 }
diff --git a/spago.dhall b/spago.dhall
index c4784fa..9006d1d 100644
--- a/spago.dhall
+++ b/spago.dhall
@@ -5,10 +5,10 @@
   , "effect"
   , "exceptions"
   , "gen"
-  , "generics-rep"
   , "numbers"
   , "integers"
   , "lists"
+  , "prelude"
   , "psci-support"
   , "quickcheck"
   , "quickcheck-laws"