diff --git a/hw-aeson.cabal b/hw-aeson.cabal
--- a/hw-aeson.cabal
+++ b/hw-aeson.cabal
@@ -1,7 +1,7 @@
 cabal-version: 2.2
 
 name:                   hw-aeson
-version:                0.1.3.0
+version:                0.1.4.0
 synopsis:               Convenience functions for Aeson
 description:            Convenience functions for Aeson.
 category:               Data, JSON
diff --git a/src/HaskellWorks/Data/Aeson/Compat/Map.hs b/src/HaskellWorks/Data/Aeson/Compat/Map.hs
--- a/src/HaskellWorks/Data/Aeson/Compat/Map.hs
+++ b/src/HaskellWorks/Data/Aeson/Compat/Map.hs
@@ -4,8 +4,16 @@
   ( module JM
   ) where
 
+import Data.Text (Text)
+
 #if MIN_VERSION_aeson(2,0,0)
 import Data.Aeson.KeyMap as JM
 #else
 import Data.HashMap.Strict as JM
+#endif
+
+#if MIN_VERSION_aeson(2,0,0)
+type Map v = JM.KeyMap v
+#else
+type Map v = JM.HashMap Text v
 #endif