diff --git a/ranged-list.cabal b/ranged-list.cabal
--- a/ranged-list.cabal
+++ b/ranged-list.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 3cf01e9e48430e4ab13f9d91acd3c46961815fbb460b724547e694c3b9b4582c
+-- hash: a22ce50d50583c3a0ac25b09f771d7f4456aa22f8154625866fdb128f05eb4b9
 
 name:           ranged-list
-version:        0.1.1.1
+version:        0.1.2.0
 synopsis:       The list like structure whose length or range of length can be specified
 description:    Please see the README on GitHub at <https://github.com/YoshikuniJujo/ranged-list#readme>
 category:       List
diff --git a/src/Data/List/Range/RangeL.hs b/src/Data/List/Range/RangeL.hs
--- a/src/Data/List/Range/RangeL.hs
+++ b/src/Data/List/Range/RangeL.hs
@@ -107,6 +107,8 @@
 
 infixr 6 :., :..
 
+deriving instance Eq a => Eq (RangeL n m a)
+deriving instance Ord a => Ord (RangeL n m a)
 deriving instance Show a => Show (RangeL n m a)
 
 -- INSTANCE FUNCTOR
diff --git a/src/Data/List/Range/RangeR.hs b/src/Data/List/Range/RangeR.hs
--- a/src/Data/List/Range/RangeR.hs
+++ b/src/Data/List/Range/RangeR.hs
@@ -94,6 +94,8 @@
 
 infixl 6 :+, :++
 
+deriving instance Eq a => Eq (RangeR n m a)
+deriving instance Ord a => Ord (RangeR n m a)
 deriving instance Show a => Show (RangeR n m a)
 
 -- INSTANCE FUNCTOR