diff --git a/bower.json b/bower.json
index 959ae18..f02589e 100644
--- a/bower.json
+++ b/bower.json
@@ -20,18 +20,18 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-datetime": "#compiler/0.12",
-    "purescript-foreign": "#compiler/0.12",
-    "purescript-node-buffer": "#compiler/0.12",
-    "purescript-node-path": "#compiler/0.12",
-    "purescript-unsafe-coerce": "#compiler/0.12",
-    "purescript-nullable": "#compiler/0.12",
-    "purescript-node-streams": "#compiler/0.12",
-    "purescript-exceptions": "#compiler/0.12",
-    "purescript-js-date": "#compiler/0.12",
-    "purescript-globals": "#compiler/0.12"
+    "purescript-datetime": "^4.0.0",
+    "purescript-foreign": "^5.0.0",
+    "purescript-node-buffer": "^5.0.0",
+    "purescript-node-path": "^3.0.0",
+    "purescript-unsafe-coerce": "^4.0.0",
+    "purescript-nullable": "^4.0.0",
+    "purescript-node-streams": "^4.0.0",
+    "purescript-exceptions": "^4.0.0",
+    "purescript-js-date": "^6.0.0",
+    "purescript-globals": "^4.0.0"
   },
   "devDependencies": {
-    "purescript-console": "#compiler/0.12"
+    "purescript-console": "^4.1.0"
   }
 }
diff --git a/package.json b/package.json
index ae769e4..2e21753 100644
--- a/package.json
+++ b/package.json
@@ -7,9 +7,9 @@
   },
   "devDependencies": {
     "jscs": "^3.0.7",
-    "jshint": "^2.9.4",
-    "pulp": "^11.0.0",
-    "purescript-psa": "^0.5.0",
-    "rimraf": "^2.6.1"
+    "jshint": "^2.9.5",
+    "pulp": "^12.2.0",
+    "purescript-psa": "^0.6.0",
+    "rimraf": "^2.6.2"
   }
 }
diff --git a/src/Node/FS/Perms.purs b/src/Node/FS/Perms.purs
index 2457b4a..12368b1 100644
--- a/src/Node/FS/Perms.purs
+++ b/src/Node/FS/Perms.purs
@@ -17,7 +17,8 @@ import Prelude
 import Data.Enum (toEnum)
 import Data.Int (fromNumber)
 import Data.Maybe (Maybe(..), isNothing, fromJust)
-import Data.String (Pattern(Pattern), toCharArray, joinWith, drop, charAt, indexOf)
+import Data.String (Pattern(Pattern), joinWith, drop, indexOf)
+import Data.String.CodeUnits (charAt, toCharArray)
 import Global (readInt)
 import Partial.Unsafe (unsafePartial)