diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020-2021 Tom Sydney Kerckhove
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/src/YamlParse/Applicative/Class.hs b/src/YamlParse/Applicative/Class.hs
--- a/src/YamlParse/Applicative/Class.hs
+++ b/src/YamlParse/Applicative/Class.hs
@@ -14,8 +14,8 @@
 import Data.Scientific
 import Data.Set (Set)
 import qualified Data.Set as S
-import qualified Data.Text as T
 import Data.Text (Text)
+import qualified Data.Text as T
 import Data.Vector (Vector)
 import qualified Data.Vector as V
 import Data.Word
diff --git a/src/YamlParse/Applicative/Explain.hs b/src/YamlParse/Applicative/Explain.hs
--- a/src/YamlParse/Applicative/Explain.hs
+++ b/src/YamlParse/Applicative/Explain.hs
@@ -7,8 +7,8 @@
 
 module YamlParse.Applicative.Explain where
 
-import qualified Data.Text as T
 import Data.Text (Text)
+import qualified Data.Text as T
 import Data.Validity
 import Data.Validity.Text ()
 import GHC.Generics (Generic)
diff --git a/src/YamlParse/Applicative/Implement.hs b/src/YamlParse/Applicative/Implement.hs
--- a/src/YamlParse/Applicative/Implement.hs
+++ b/src/YamlParse/Applicative/Implement.hs
@@ -8,7 +8,6 @@
 module YamlParse.Applicative.Implement where
 
 import Control.Applicative
-import qualified Data.Aeson as Aeson
 import qualified Data.Aeson.Types as Aeson
 import qualified Data.HashMap.Strict as HM
 import qualified Data.Map as M
@@ -66,17 +65,17 @@
       ParseField key fp -> \o -> case fp of
         FieldParserRequired p -> do
           v <- o Yaml..: key
-          go p v Aeson.<?> Aeson.Key key
+          go p v
         FieldParserOptional p -> do
           mv <- o Yaml..:? key
           case mv of
             Nothing -> pure Nothing
-            Just v -> Just <$> go p v Aeson.<?> Aeson.Key key
+            Just v -> Just <$> go p v
         FieldParserOptionalWithDefault p d -> do
           mv <- o Yaml..:? key
           case mv of
             Nothing -> pure d
-            Just v -> go p v Aeson.<?> Aeson.Key key
+            Just v -> go p v
       ParseList p -> mapM (go p)
       ParseMap p -> HM.traverseWithKey $ \_ v -> go p v
       ParseMapKeys p pm -> \val -> do
diff --git a/src/YamlParse/Applicative/Parser.hs b/src/YamlParse/Applicative/Parser.hs
--- a/src/YamlParse/Applicative/Parser.hs
+++ b/src/YamlParse/Applicative/Parser.hs
@@ -11,8 +11,8 @@
 import Data.HashMap.Strict (HashMap)
 import Data.Map (Map)
 import Data.Scientific
-import qualified Data.Text as T
 import Data.Text (Text)
+import qualified Data.Text as T
 import qualified Data.Text.Encoding as TE
 import Data.Validity.Text ()
 import Data.Vector (Vector)
diff --git a/src/YamlParse/Applicative/Pretty.hs b/src/YamlParse/Applicative/Pretty.hs
--- a/src/YamlParse/Applicative/Pretty.hs
+++ b/src/YamlParse/Applicative/Pretty.hs
@@ -10,8 +10,8 @@
 module YamlParse.Applicative.Pretty where
 
 import Data.Maybe
-import qualified Data.Text as T
 import Data.Text (Text)
+import qualified Data.Text as T
 import Data.Text.Prettyprint.Doc
 import Data.Text.Prettyprint.Doc.Render.Text
 import Data.Text.Prettyprint.Doc.Render.Util.StackMachine
diff --git a/test/Spec.hs b/test/Spec.hs
deleted file mode 100644
--- a/test/Spec.hs
+++ /dev/null
@@ -1,1 +0,0 @@
-{-# OPTIONS_GHC -F -pgmF hspec-discover #-}
diff --git a/test/YamlParse/ApplicativeSpec.hs b/test/YamlParse/ApplicativeSpec.hs
deleted file mode 100644
--- a/test/YamlParse/ApplicativeSpec.hs
+++ /dev/null
@@ -1,96 +0,0 @@
-{-# LANGUAGE AllowAmbiguousTypes #-}
-{-# LANGUAGE DeriveGeneric #-}
-{-# LANGUAGE ScopedTypeVariables #-}
-{-# LANGUAGE TypeApplications #-}
-
-module YamlParse.ApplicativeSpec where
-
-import qualified Data.Aeson.Types as Aeson
-import Data.GenValidity.Aeson ()
-import Data.GenValidity.Containers ()
-import Data.GenValidity.UnorderedContainers ()
-import Data.HashMap.Strict (HashMap)
-import Data.List.NonEmpty (NonEmpty)
-import Data.Map (Map)
-import Data.Scientific (Scientific)
-import Data.Set (Set)
-import Data.Text (Text)
-import Data.Typeable
-import GHC.Generics (Generic)
-import Test.Hspec
-import Test.QuickCheck
-import Test.Validity
-import Test.Validity.Utils
-import YamlParse.Applicative as Yaml
-
-spec :: Spec
-spec =
-  describe "implementParser" $ do
-    implementationsSpec @Bool
-    implementationsSpec @Char
-    implementationsSpec @String
-    implementationsSpec @Text
-    implementationsSpec @Scientific
-    implementationsSpec @Aeson.Array
-    implementationsSpec @Aeson.Object
-    implementationsSpec @Aeson.Value
-    implementationsSpec @[Text]
-    implementationsSpec @(NonEmpty Text)
-    implementationsSpec @(Maybe Text)
-    implementationsSpec @(Set Text)
-    implementationsSpec @(Map Text Int)
-    implementationsSpec @(HashMap Text Int)
-    implementationsSpec @(Map String Int)
-    implementationsSpec @Fruit
-
-data Fruit = Apple | Banana | Melon
-  deriving (Show, Eq, Generic)
-
-instance Aeson.FromJSON Fruit
-
-instance Aeson.ToJSON Fruit
-
-instance YamlSchema Fruit where
-  yamlSchema =
-    alternatives
-      [ literalShowValue Apple,
-        literalShowValue Banana,
-        literalShowValue Melon
-      ]
-
-instance Validity Fruit
-
-instance GenUnchecked Fruit
-
-instance GenValid Fruit
-
-implementationsSpec ::
-  forall a.
-  ( Show a,
-    Eq a,
-    Typeable a,
-    GenValid a,
-    Aeson.FromJSON a,
-    Aeson.ToJSON a,
-    YamlSchema a
-  ) =>
-  Spec
-implementationsSpec = specify ("The implementation of 'parseJSON' matches the implementation of 'implementParser yamlSchema' for " <> nameOf @a) $ implementationsMatch @a
-
-implementationsMatch ::
-  forall a.
-  ( Show a,
-    Eq a,
-    GenValid a,
-    Aeson.FromJSON a,
-    Aeson.ToJSON a,
-    YamlSchema a
-  ) =>
-  Property
-implementationsMatch =
-  forAllValid $
-    \a -> do
-      let v = Aeson.toJSON (a :: a)
-      let aesonResult = Aeson.parseEither Aeson.parseJSON v :: Either String a
-          yamlResult = Aeson.parseEither (implementParser yamlSchema) v
-      yamlResult `shouldBe` aesonResult
diff --git a/yamlparse-applicative.cabal b/yamlparse-applicative.cabal
--- a/yamlparse-applicative.cabal
+++ b/yamlparse-applicative.cabal
@@ -1,13 +1,11 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.34.2.
+-- This file has been generated from package.yaml by hpack version 0.34.4.
 --
 -- see: https://github.com/sol/hpack
---
--- hash: ded1b4f5ee3db66fbcd6e3f4573306cbe3dd7edae1f55ae9ab6de42b25805e58
 
 name:           yamlparse-applicative
-version:        0.1.0.2
+version:        0.1.0.3
 synopsis:       Declaritive configuration parsing with free docs
 description:    See https://github.com/NorfairKing/yamlparse-applicative
 homepage:       https://github.com/NorfairKing/yamlparse-applicative#readme
@@ -16,6 +14,7 @@
 maintainer:     syd@cs-syd.eu
 copyright:      2020 Tom Sydney Kerckhove
 license:        MIT
+license-file:   LICENSE
 build-type:     Simple
 
 source-repository head
@@ -45,6 +44,7 @@
     , path
     , path-io
     , prettyprinter
+    , safe-coloured-text
     , scientific
     , text
     , unordered-containers
@@ -52,31 +52,4 @@
     , validity-text
     , vector
     , yaml
-  default-language: Haskell2010
-
-test-suite yamlparse-applicative-test
-  type: exitcode-stdio-1.0
-  main-is: Spec.hs
-  other-modules:
-      YamlParse.ApplicativeSpec
-      Paths_yamlparse_applicative
-  hs-source-dirs:
-      test
-  ghc-options: -threaded -rtsopts -with-rtsopts=-N
-  build-depends:
-      QuickCheck
-    , aeson
-    , base >=4.7 && <5
-    , containers
-    , genvalidity-aeson
-    , genvalidity-containers
-    , genvalidity-hspec
-    , genvalidity-scientific
-    , genvalidity-text
-    , genvalidity-unordered-containers
-    , hspec
-    , scientific
-    , text
-    , unordered-containers
-    , yamlparse-applicative
   default-language: Haskell2010