diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,8 @@
+## 0.1.0
+
+* Migrate from `EitherT` to `ExceptT`
+  [#8](https://github.com/fpco/optparse-simple/issues/8)
+
 ## 0.0.4
 
 * Support `--help` on subcommands
diff --git a/optparse-simple.cabal b/optparse-simple.cabal
--- a/optparse-simple.cabal
+++ b/optparse-simple.cabal
@@ -1,39 +1,59 @@
-name:                optparse-simple
-version:             0.0.4
-synopsis:            Simple interface to optparse-applicative
-description:         Simple interface to optparse-applicative
-license:             BSD3
-license-file:        LICENSE
-author:              FP Complete
-maintainer:          chrisdone@fpcomplete.com
-copyright:           2015 FP Complete
-category:            Options
-build-type:          Simple
-cabal-version:       >=1.8
-extra-source-files:  README.md ChangeLog.md
+-- This file has been generated from package.yaml by hpack version 0.20.0.
+--
+-- see: https://github.com/sol/hpack
+--
+-- hash: 5955f8eb9562e24b8a68ecf2cb4c0674a9de7508574a10a44469d8e88bbebdb9
 
+name:           optparse-simple
+version:        0.1.0
+synopsis:       Simple interface to optparse-applicative
+description:    Please see the README at <https://www.stackage.org/package/optparse-simple>
+category:       Options
+homepage:       https://github.com/fpco/optparse-simple#readme
+bug-reports:    https://github.com/fpco/optparse-simple/issues
+author:         FP Complete
+maintainer:     chrisdone@fpcomplete.com
+copyright:      2015-2017 FP Complete
+license:        BSD3
+license-file:   LICENSE
+build-type:     Simple
+cabal-version:  >= 1.10
+
+extra-source-files:
+    ChangeLog.md
+    README.md
+
+source-repository head
+  type: git
+  location: https://github.com/fpco/optparse-simple
+
 library
-  hs-source-dirs:    src/
-  ghc-options:       -Wall
-  exposed-modules:   Options.Applicative.Simple
-  build-depends:     base >= 4 && <5
-                   , template-haskell
-                   , transformers
-                   , optparse-applicative
-                   , gitrev
-                   , either
+  hs-source-dirs:
+      src/
+  ghc-options: -Wall
+  build-depends:
+      base >=4 && <5
+    , gitrev
+    , optparse-applicative
+    , template-haskell
+    , transformers >=0.4
+  exposed-modules:
+      Options.Applicative.Simple
+  other-modules:
+      Paths_optparse_simple
+  default-language: Haskell2010
 
 test-suite test
-  type:              exitcode-stdio-1.0
-  main-is:           Main.hs
+  type: exitcode-stdio-1.0
+  main-is: Main.hs
+  hs-source-dirs:
+      test
+  ghc-options: -Wall
   build-depends:
-                     base -any
-                   , optparse-simple
-                   , directory -any
-                   , bytestring -any
-  hs-source-dirs:    test
-  ghc-options:       -Wall
-
-source-repository head
-  type:              git
-  location:          https://github.com/fpco/optparse-simple
+      base
+    , bytestring
+    , directory
+    , optparse-simple
+  other-modules:
+      Paths_optparse_simple
+  default-language: Haskell2010
diff --git a/src/Options/Applicative/Simple.hs b/src/Options/Applicative/Simple.hs
--- a/src/Options/Applicative/Simple.hs
+++ b/src/Options/Applicative/Simple.hs
@@ -39,7 +39,7 @@
   ) where
 
 import           Control.Monad.Trans.Class (lift)
-import           Control.Monad.Trans.Either
+import           Control.Monad.Trans.Except
 import           Control.Monad.Trans.Writer
 import           Data.Monoid
 import           Data.Version
@@ -59,7 +59,7 @@
   -- ^ program description
   -> Parser a
   -- ^ global settings
-  -> EitherT b (Writer (Mod CommandFields b)) ()
+  -> ExceptT b (Writer (Mod CommandFields b)) ()
   -- ^ commands (use 'addCommand')
   -> IO (a,b)
 simpleOptions versionString h pd globalParser commandParser =
@@ -98,7 +98,7 @@
            -> String   -- ^ title of command
            -> (a -> b) -- ^ constructor to wrap up command in common data type
            -> Parser a -- ^ command parser
-           -> EitherT b (Writer (Mod CommandFields b)) ()
+           -> ExceptT b (Writer (Mod CommandFields b)) ()
 addCommand cmd title constr inner =
   lift (tell (command cmd
                       (info (constr <$> (helper <*> inner))
@@ -128,9 +128,9 @@
   -- ^ command string
   -> String
   -- ^ title of command
-  -> EitherT b (Writer (Mod CommandFields b)) ()
+  -> ExceptT b (Writer (Mod CommandFields b)) ()
   -- ^ sub-commands (use 'addCommand')
-  -> EitherT b (Writer (Mod CommandFields b)) ()
+  -> ExceptT b (Writer (Mod CommandFields b)) ()
 addSubCommands cmd title commandParser =
   addCommand cmd
              title
@@ -160,7 +160,7 @@
 simpleParser
   :: Parser a
   -- ^ common settings
-  -> EitherT b (Writer (Mod CommandFields b)) ()
+  -> ExceptT b (Writer (Mod CommandFields b)) ()
   -- ^ commands (use 'addCommand')
   -> Parser (a,b)
 simpleParser commonParser commandParser =
@@ -171,6 +171,6 @@
           help "Show this help text"
         config =
           (,) <$> commonParser <*>
-          case runWriter (runEitherT commandParser) of
+          case runWriter (runExceptT commandParser) of
             (Right (),d) -> subparser d
             (Left b,_) -> pure b