diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -6,12 +6,6 @@
 
 ## Installation
 
-With [nix](http://nixos.org/nix/):
-
-```bash
- $ nix-env -i brainheck
-```
-
 With [stack](https://haskellstack.org/):
 
 ```bash
diff --git a/brainheck.cabal b/brainheck.cabal
--- a/brainheck.cabal
+++ b/brainheck.cabal
@@ -1,5 +1,5 @@
 name:                brainheck
-version:             0.1.0.4
+version:             0.1.0.5
 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
@@ -7,7 +7,7 @@
 license-file:        LICENSE
 author:              Vanessa McHale
 maintainer:          tmchale@wisc.edu
-copyright:           Copyright: (c) 2016 Vanessa McHale
+copyright:           Copyright: (c) 2016-2017 Vanessa McHale
 category:            Web
 build-type:          Simple
 extra-source-files:  README.md
@@ -24,13 +24,13 @@
 library
   hs-source-dirs:      src
   exposed-modules:     Brainheck
-  build-depends:       base >= 4.7 && < 5
+  build-depends:       base >= 4.9 && < 5
                      , mtl
                      , vector
                      , recursion-schemes
                      , text
                      , lens
-                     , megaparsec
+                     , megaparsec >= 6.0
                      , containers
   default-language:    Haskell2010
   default-extensions:  DeriveFunctor