diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
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+Copyright (c) 2016 Simon Hudon
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
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+# portable-template-haskell-lens
+
+OS X / Linux: [![Build Status](https://travis-ci.org/literate-unitb/portable-template-haskell-lens.svg?branch=master)](https://travis-ci.org/literate-unitb/portable-template-haskell-lens)
+
+Windows: [![Build status](https://ci.appveyor.com/api/projects/status/5fdp6hhub89v1y3p?svg=true)](https://ci.appveyor.com/project/cipher1024/portable-template-haskell-lens)
+
+Template Haskell 2.11 changes its constructors. In order to write portable code, this package provides lenses / prisms to work across versions of template haskell
diff --git a/Setup.hs b/Setup.hs
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--- /dev/null
+++ b/Setup.hs
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+import Distribution.Simple
+main = defaultMain
diff --git a/portable-template-haskell-lens.cabal b/portable-template-haskell-lens.cabal
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--- /dev/null
+++ b/portable-template-haskell-lens.cabal
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+-- Initial portable-template-haskell-lens.cabal generated by cabal init.  
+-- For further documentation, see http://haskell.org/cabal/users-guide/
+
+-- The name of the package.
+name:                portable-template-haskell-lens
+
+-- The package version.  See the Haskell package versioning policy (PVP) 
+-- for standards guiding when and how versions should be incremented.
+-- http://www.haskell.org/haskellwiki/Package_versioning_policy
+-- PVP summary:      +-+------- breaking API changes
+--                   | | +----- non-breaking API additions
+--                   | | | +--- code changes with no API change
+version:             0.1.0.0
+
+-- A short (one-line) description of the package.
+synopsis:            Lenses for the AST of Template Haskell 2.11 and Template Haskell < 2.11
+
+-- A longer description of the package.
+description:         Template Haskell 2.11 changes its constructors. In order to write portable code, this package provides lenses / prisms to work across versions of template haskell
+
+-- The license under which the package is released.
+license:             MIT
+
+-- The file containing the license text.
+license-file:        LICENSE
+
+-- The package author(s).
+author:              Simon Hudon
+
+-- An email address to which users can send suggestions, bug reports, and 
+-- patches.
+maintainer:          simon.hudon@gmail.com
+
+-- A copyright notice.
+-- copyright:           
+
+category:            Language
+
+build-type:          Simple
+
+-- Extra files to be distributed with the package, such as examples or a 
+-- README.
+extra-source-files:  README.md
+
+-- Constraint on the version of Cabal needed to build this package.
+cabal-version:       >=1.10
+
+source-repository head
+  type:     git
+  location: https://github.com/literate-unitb/portable-template-haskell-lens
+
+library
+  -- Modules exported by the library.
+  exposed-modules:     Language.Haskell.TH.Lens.Portable
+  
+  -- Modules included in this library but not exported.
+  -- other-modules:       
+  
+  -- LANGUAGE extensions used by modules in this package.
+  -- other-extensions:    
+  
+  -- Other library packages from which modules are imported.
+  build-depends:       base >=4.8 && <5, template-haskell, lens
+  
+  -- Directories containing source files.
+  hs-source-dirs:      src
+  
+  -- Base language which the package is written in.
+  default-language:    Haskell2010
+  
diff --git a/src/Language/Haskell/TH/Lens/Portable.hs b/src/Language/Haskell/TH/Lens/Portable.hs
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+++ b/src/Language/Haskell/TH/Lens/Portable.hs
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+{-# LANGUAGE CPP #-}
+module Language.Haskell.TH.Lens.Portable where
+
+import Control.Lens
+import Language.Haskell.TH
+
+_InstanceD' :: Prism' Dec (Cxt, Type, [Dec])
+_InstanceD' = prism' reviewer remitter
+  where
+#if MIN_VERSION_template_haskell(2,11,0)
+      reviewer (x, y, z) = InstanceD Nothing x y z
+      remitter (InstanceD _ x y z) = Just (x, y, z)
+#else
+      reviewer (x, y, z) = InstanceD x y z
+      remitter (InstanceD x y z) = Just (x, y, z)
+#endif
+      remitter _ = Nothing
+