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/risc-v.cabal b/risc-v.cabal
--- a/risc-v.cabal
+++ b/risc-v.cabal
@@ -1,5 +1,5 @@
 name:                risc-v
-version:             0.0.0.0
+version:             0.0.1.0
 synopsis:            RISC-V
 -- description:
 license:             BSD3
@@ -30,6 +30,7 @@
                      , FlexibleInstances
                      , MonadComprehensions
                      , StandaloneDeriving
+                     , GeneralizedNewtypeDeriving
                      , DeriveFunctor, DeriveFoldable, DeriveTraversable
   ghc-options:         -Wall -Wcompat -Wredundant-constraints -Wno-name-shadowing
                        -Wincomplete-record-updates -Wincomplete-uni-patterns
