diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
 # deepcontrol
 
-A Haskell library that provides deeper level style of programming than the usual Control.Applicative and Control.Monad modules express.
+A Haskell library that provides much deeper level style of programming than the usual Control.Applicative and Control.Monad modules express.
 
 ## Examples
 
-### [Applicative](https://hackage.haskell.org/package/deepcontrol-0.5.4.1/docs/DeepControl-Applicative.html)
+### [Applicative](https://hackage.haskell.org/package/deepcontrol-0.5.4.2/docs/DeepControl-Applicative.html)
 
 This module enables you to program in applicative style for much deeper level than the usual Control.Applicative module expresses.
 You would soon realize exactly what "much deeper level" means by reading the example codes below in order.
@@ -182,7 +182,7 @@
 
 Work well likewise.
 
-### [Monad](https://hackage.haskell.org/package/deepcontrol-0.5.4.1/docs/DeepControl-Monad.html)
+### [Monad](https://hackage.haskell.org/package/deepcontrol-0.5.4.2/docs/DeepControl-Monad.html)
 
 This module enables you to program in Monad for much deeper level than the usual Control.Monad module expresses.
 You would soon realize exactly what "much deeper level" means by reading the example codes below in order.
@@ -202,7 +202,7 @@
 -- 7
 ```
 
-#### [Traversable](https://hackage.haskell.org/package/deepcontrol-0.5.4.1/docs/DeepControl-Traversable.html)
+#### [Traversable](https://hackage.haskell.org/package/deepcontrol-0.5.4.2/docs/DeepControl-Traversable.html)
 
 Identity, List, Maybe, Either, Except and Writer monads are sinkable monads.
 
@@ -286,7 +286,7 @@
 
 Work well likewise.
 
-### [Monad-Morph](https://hackage.haskell.org/package/deepcontrol-0.5.4.1/docs/DeepControl-Monad-Morph.html)
+### [Monad-Morph](https://hackage.haskell.org/package/deepcontrol-0.5.4.2/docs/DeepControl-Monad-Morph.html)
 
 #### SinkT
 
@@ -415,7 +415,7 @@
 
 Work well likewise.
 
-### [Monad-Transformer](https://hackage.haskell.org/package/deepcontrol-0.5.4.1/docs/DeepControl-Monad-Trans.html)
+### [Monad-Transformer](https://hackage.haskell.org/package/deepcontrol-0.5.4.2/docs/DeepControl-Monad-Trans.html)
 
 #### Level-2
 
@@ -469,4 +469,4 @@
 
 Work well likewise.
 
-### [Arrow](https://hackage.haskell.org/package/deepcontrol-0.5.4.1/docs/DeepControl-Arrow.html)
+### [Arrow](https://hackage.haskell.org/package/deepcontrol-0.5.4.2/docs/DeepControl-Arrow.html)
diff --git a/deepcontrol.cabal b/deepcontrol.cabal
--- a/deepcontrol.cabal
+++ b/deepcontrol.cabal
@@ -1,7 +1,7 @@
 name:                deepcontrol
-version:             0.5.4.1
+version:             0.5.4.2
 synopsis:            A library that provides deep-level programming style or notation on Applicative and Monad
-description:         This module provides more deeper level style of programming than the usual Applicative and Monad modules express.
+description:         This module provides much deeper level style of programming than the usual Applicative and Monad modules express.
 license:             BSD3
 license-file:        LICENSE
 author:              KONISHI Yohsuke
