diff --git a/Data/Double/Extra/Types.hs b/Data/Double/Extra/Types.hs
--- a/Data/Double/Extra/Types.hs
+++ b/Data/Double/Extra/Types.hs
@@ -12,13 +12,13 @@
 import GHC.Generics
 
 newtype DoublePrecision (i :: Nat) = DoublePrecision Double
-  deriving (Eq,Ord,Show,Read,Generic,NFData,Num,Fractional,Real,RealFrac)
+  deriving (Eq,Enum,Ord,Show,Read,Generic,NFData,Num,Fractional,Floating,Real,RealFrac)
 
 newtype DoubleExponential (i :: Nat) = DoubleExponential Double
-  deriving (Eq,Ord,Show,Read,Generic,NFData,Num,Fractional,Real,RealFrac)
+  deriving (Eq,Enum,Ord,Show,Read,Generic,NFData,Num,Fractional,Floating,Real,RealFrac)
 
 newtype DoubleFixed (i :: Nat) = DoubleFixed Double
-  deriving (Eq,Ord,Show,Read,Generic,NFData,Num,Fractional,Real,RealFrac)
+  deriving (Eq,Enum,Ord,Show,Read,Generic,NFData,Num,Fractional,Floating,Real,RealFrac)
 
 newtype DoubleShortest = DoubleShortest Double
-  deriving (Eq,Ord,Show,Read,Generic,NFData,Num,Fractional,Real,RealFrac)
+  deriving (Eq,Enum,Ord,Show,Read,Generic,NFData,Num,Fractional,Floating,Real,RealFrac)
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# double-extra
+# double-extra [![Hackage version](https://img.shields.io/hackage/v/double-extra.svg?label=Hackage)](https://hackage.haskell.org/package/double-extra) [![Stackage version](https://www.stackage.org/package/double-extra/badge/lts?label=Stackage)](https://www.stackage.org/package/double-extra) [![Build Status](https://secure.travis-ci.org/haskell/double-extra.svg?branch=master)](http://travis-ci.org/tolysz/double-extra) 
 Missing presentations for Double numbers (fixed, scientific etc.)
 
 please use `coerce` to convert from double before presenting
diff --git a/double-extra.cabal b/double-extra.cabal
--- a/double-extra.cabal
+++ b/double-extra.cabal
@@ -1,5 +1,5 @@
 name:                double-extra
-version:             0.1.0.2
+version:             0.1.0.3
 synopsis:            Missing presentations for Double numbers (fixed, scientific etc.)
 description:         Please see README.md
 homepage:            https://github.com/tolysz/double-extra#readme