diff --git a/src/Language/Json/Type.hs b/src/Language/Json/Type.hs
index 023c325..605f6c6 100644
--- a/src/Language/Json/Type.hs
+++ b/src/Language/Json/Type.hs
@@ -7,7 +7,7 @@
 {-# LANGUAGE DataKinds #-}
 {-# LANGUAGE OverloadedRecordDot #-}
 {-# OPTIONS_GHC -Wno-name-shadowing #-}
-module Language.Json.Type (infer, Type(..), isObject, conforms, Mismatch(..), sample) where
+module Language.Json.Type (infer, Type(Null, All, Number, String, Boolean, Array, Union, Object), isObject, conforms, Mismatch(..), sample) where
 import Data.Map.Strict (Map)
 import Data.Text (Text)
 import Data.Set (Set)