diff --git a/Setup.hs b/Setup.hs
deleted file mode 100644
--- a/Setup.hs
+++ /dev/null
@@ -1,2 +0,0 @@
-import Distribution.Simple
-main = defaultMain
diff --git a/hash-tree.cabal b/hash-tree.cabal
--- a/hash-tree.cabal
+++ b/hash-tree.cabal
@@ -1,5 +1,5 @@
 Name:                   hash-tree
-Version:                0.0.0
+Version:                0.0.1
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3
@@ -20,7 +20,7 @@
   Build-Depends:        base >= 4 && < 5
                       , bytestring
                       , containers
-                      , cryptonite
+                      , crypton
                       , memory
 
 Test-Suite spec
@@ -30,13 +30,14 @@
   Ghc-Options:          -Wall
   Main-Is:              Spec.hs
   Other-Modules:        HashTreeSpec
+                        Data.HashTree
                         Data.HashTree.Internal
   Build-Depends:        base >= 4 && < 5
                       , QuickCheck
                       , bytestring
                       , base64-bytestring
                       , containers
-                      , cryptonite
+                      , crypton
                       , hspec
                       , memory