diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -4,12 +4,15 @@
 import Options.Applicative
 import qualified Data.Text.IO as TIO
 import Data.Monoid
+import Data.Version
+import Paths_brainheck
 
 program :: Parser FilePath
 program = argument str (metavar "FILE" <> help "Brainfuck file")
 
 main :: IO ()
 main = let runFile filepath = either (error . show) id . (parseBrainheck filepath) <$> TIO.readFile filepath >>= run in
-    runFile =<< execParser (info (program <**> helper) (fullDesc
+    runFile =<< execParser (info (program <**> helper <**> versionInfo) (fullDesc
         <> progDesc "Brainh*ck - an interpreter"
         <> header "brainheck - a brainfuck intrepreter written in haskell and supporting utf-8"))
+    where versionInfo = infoOption ("brainheck version: " ++ showVersion version) (short 'v' <> long "version" <> help "Show version")
diff --git a/bench/Bench.hs b/bench/Bench.hs
new file mode 100644
--- /dev/null
+++ b/bench/Bench.hs
@@ -0,0 +1,10 @@
+module Main where
+
+import Criterion.Main
+import Brainheck
+import qualified Data.Text.IO as TIO
+
+main = TIO.readFile "bf/helloworld.bf" >>= \file -> defaultMain [ 
+    bgroup "parseBrainheck" [ 
+        bench "helloworld.bf" $ whnf (parseBrainheck "bf/helloworld.bf") file ] 
+    ]
diff --git a/brainheck.cabal b/brainheck.cabal
--- a/brainheck.cabal
+++ b/brainheck.cabal
@@ -1,5 +1,5 @@
 name:                brainheck
-version:             0.1.0.1
+version:             0.1.0.2
 synopsis:            Brainh*ck interpreter in haskell
 description:         Brainh*ck interpreter written in haskell and taking advantage of many prominent libraries
 homepage:            https://github.com/vmchale/brainheck#readme
@@ -13,6 +13,8 @@
 extra-source-files:  README.md
                    , stack.yaml
                    , bf/helloworld.bf
+                   , default.nix
+                   , release.nix
 cabal-version:       >=1.10
 
 library
@@ -41,6 +43,20 @@
                      , optparse-applicative
                      , text
   default-language:    Haskell2010
+
+benchmark brainheck-bench
+  type:             exitcode-stdio-1.0
+  hs-source-dirs:   bench
+  main-is:          Bench.hs
+  build-depends:    base
+                  , criterion
+                  , brainheck
+                  , text
+  if flag(llvm-fast)
+    ghc-options:       -threaded -rtsopts -with-rtsopts=-N -fllvm -optlo-O3 -O3
+  else
+    ghc-options:       -threaded -rtsopts -with-rtsopts=-N -O3
+  default-language: Haskell2010
 
 source-repository head
   type:     git
diff --git a/default.nix b/default.nix
new file mode 100644
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,17 @@
+{ mkDerivation, base, containers, lens, megaparsec, mtl
+, optparse-applicative, recursion-schemes, stdenv, text, vector
+}:
+mkDerivation {
+  pname = "brainheck";
+  version = "0.1.0.2";
+  src = ./.;
+  isLibrary = true;
+  isExecutable = true;
+  libraryHaskellDepends = [
+    base containers lens megaparsec mtl recursion-schemes text vector
+  ];
+  executableHaskellDepends = [ base optparse-applicative text ];
+  homepage = "https://github.com/vmchale/brainheck#readme";
+  description = "Brainh*ck interpreter in haskell";
+  license = stdenv.lib.licenses.bsd3;
+}
diff --git a/release.nix b/release.nix
new file mode 100644
--- /dev/null
+++ b/release.nix
@@ -0,0 +1,5 @@
+let
+  pkgs = import <nixpkgs> { };
+
+in
+  pkgs.haskell.lib.justStaticExecutables (pkgs.haskellPackages.callPackage ./default.nix { })
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,6 +1,66 @@
-resolver: lts-8.8
+# This file was automatically generated by 'stack init'
+#
+# Some commonly used options have been documented as comments in this file.
+# For advanced use and comprehensive documentation of the format, please see:
+# http://docs.haskellstack.org/en/stable/yaml_configuration/
+
+# Resolver to choose a 'specific' stackage snapshot or a compiler version.
+# A snapshot resolver dictates the compiler version and the set of packages
+# to be used for project dependencies. For example:
+#
+# resolver: lts-3.5
+# resolver: nightly-2015-09-21
+# resolver: ghc-7.10.2
+# resolver: ghcjs-0.1.0_ghc-7.10.2
+# resolver:
+#  name: custom-snapshot
+#  location: "./custom-snapshot.yaml"
+resolver: lts-8.12
+
+# User packages to be built.
+# Various formats can be used as shown in the example below.
+#
+# packages:
+# - some-directory
+# - https://example.com/foo/bar/baz-0.0.2.tar.gz
+# - location:
+#    git: https://github.com/commercialhaskell/stack.git
+#    commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a
+# - location: https://github.com/commercialhaskell/stack/commit/e7b331f14bcffb8367cd58fbfc8b40ec7642100a
+#   extra-dep: true
+#  subdirs:
+#  - auto-update
+#  - wai
+#
+# A package marked 'extra-dep: true' will only be built if demanded by a
+# non-dependency (i.e. a user package), and its test suites and benchmarks
+# will not be run. This is useful for tweaking upstream packages.
 packages:
 - '.'
+# Dependency packages to be pulled from upstream that are not in the resolver
+# (e.g., acme-missiles-0.3)
 extra-deps: []
+
+# Override default flag values for local packages and extra-deps
 flags: {}
+
+# Extra package databases containing global packages
 extra-package-dbs: []
+
+# Control whether we use the GHC we find on the path
+# system-ghc: true
+#
+# Require a specific version of stack, using version ranges
+# require-stack-version: -any # Default
+# require-stack-version: ">=1.4"
+#
+# Override the architecture used by stack, especially useful on Windows
+# arch: i386
+# arch: x86_64
+#
+# Extra directories used by stack for building
+# extra-include-dirs: [/path/to/dir]
+# extra-lib-dirs: [/path/to/dir]
+#
+# Allow a newer minor version of GHC than the snapshot specifies
+# compiler-check: newer-minor