diff --git a/bower.json b/bower.json
index aad0b66..8d32d74 100644
--- a/bower.json
+++ b/bower.json
@@ -21,16 +21,16 @@
     "tests"
   ],
   "dependencies": {
-    "purescript-generics": "^3.1.0",
-    "purescript-nonempty": "^3.0.0",
-    "purescript-profunctor": "^2.0.0",
-    "purescript-strings": "^2.0.2",
-    "purescript-these": "^2.0.0",
-    "purescript-transformers": "^2.0.1",
-    "purescript-colors": "^2.0.0",
-    "purescript-console": "^2.0.0"
+    "purescript-generics": "^4.0.0",
+    "purescript-nonempty": "^4.0.0",
+    "purescript-profunctor": "^3.0.0",
+    "purescript-strings": "^3.0.0",
+    "purescript-these": "^3.0.0",
+    "purescript-transformers": "^3.2.0",
+    "purescript-colors": "^3.0.0",
+    "purescript-console": "^3.0.0"
   },
   "devDependencies": {
-    "purescript-exceptions": "^2.0.0"
+    "purescript-exceptions": "^3.0.0"
   }
 }
diff --git a/package.json b/package.json
index 9b5fc3f..f7d4a05 100644
--- a/package.json
+++ b/package.json
@@ -6,9 +6,9 @@
     "test": "pulp test"
   },
   "devDependencies": {
-    "pulp": "^9.0.1",
-    "purescript-psa": "^0.3.9",
-    "purescript": "^0.10.1",
-    "rimraf": "^2.5.0"
+    "pulp": "^11.0.0",
+    "purescript-psa": "^0.5.1",
+    "purescript": "^0.11.4",
+    "rimraf": "^2.6.1"
   }
 }
diff --git a/src/CSS/Common.purs b/src/CSS/Common.purs
index 40a3ae5..02faa42 100644
--- a/src/CSS/Common.purs
+++ b/src/CSS/Common.purs
@@ -73,5 +73,5 @@ browsers = Prefixed
 
 -- | Syntax for CSS function call.
 
-call :: forall s. (IsString s, Monoid s) => s -> s -> s
+call :: forall s. IsString s => Monoid s => s -> s -> s
 call fn arg = fn <> fromString "(" <> arg <> fromString ")"
diff --git a/test/Main.purs b/test/Main.purs
index f8f4169..0243204 100644
--- a/test/Main.purs
+++ b/test/Main.purs
@@ -48,10 +48,10 @@ nestedNodesWithEmptyParent = render do
   fromString "#parent" ? do
     fromString "#child" ? display block
 
-assertEqual :: forall a. (Eq a, Show a) => a -> a -> Eff (err :: EXCEPTION) Unit
+assertEqual :: forall a. Eq a => Show a => a -> a -> Eff (exception :: EXCEPTION) Unit
 assertEqual x y = unless (x == y) <<< throwException <<< error $ "Assertion failed: " <> show x <> " /= " <> show y
 
-main :: Eff (err :: EXCEPTION) Unit
+main :: Eff (exception :: EXCEPTION) Unit
 main = do
   renderedInline example1 `assertEqual` Just "color: hsl(0.0, 100.0%, 50.0%); display: block"
   renderedInline example2 `assertEqual` Just "display: inline-block"