diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -54,3 +54,17 @@
 cd git-brunch
 nix-env -if .
 ```
+
+## Development
+
+### Run tests
+
+```shell
+stack test --fast --file-watch
+```
+
+### Build statically linked
+
+```shell
+stack install --flag git-brunch:static
+```
diff --git a/git-brunch.cabal b/git-brunch.cabal
--- a/git-brunch.cabal
+++ b/git-brunch.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 04ccac3b833e799f1ab4caf4aecc4d2683bb9be8dc91f06c9f5f89d78141a8e7
+-- hash: 444816bc5a9f874d6d5e86b15596505e88251387994393c341e0268092854eb6
 
 name:           git-brunch
-version:        1.0.5.0
+version:        1.0.6.0
 synopsis:       git checkout command-line tool
 description:    Please see the README on GitHub at <https://github.com/andys8/git-brunch#readme>
 category:       Git
@@ -26,6 +26,10 @@
   type: git
   location: https://github.com/andys8/git-brunch
 
+flag static
+  manual: True
+  default: False
+
 library git-brunch-lib
   exposed-modules:
       Git
@@ -53,7 +57,6 @@
       Paths_git_brunch
   hs-source-dirs:
       app
-  ghc-options: -threaded -rtsopts -with-rtsopts=-N
   build-depends:
       base >=4.7 && <5
     , brick
@@ -62,6 +65,12 @@
     , process
     , vector
     , vty
+  if flag(static)
+    ghc-options: -static -threaded -rtsopts -with-rtsopts=-N
+    cc-options: -static
+    ld-options: -static -pthread
+  else
+    ghc-options: -threaded -rtsopts -with-rtsopts=-N
   default-language: Haskell2010
 
 test-suite git-brunch-test
diff --git a/src/Git.hs b/src/Git.hs
--- a/src/Git.hs
+++ b/src/Git.hs
@@ -8,7 +8,7 @@
 
 import           System.Process
 import           Data.List
-import           Data.Char                                ( isSpace )
+import           Data.Char                      ( isSpace )
 import           System.Exit
 
 data Branch = BranchLocal String
@@ -74,4 +74,4 @@
 
 
 isHead :: String -> Bool
-isHead name = isInfixOf "HEAD" name
+isHead = isInfixOf "HEAD"
diff --git a/src/GitBrunch.hs b/src/GitBrunch.hs
--- a/src/GitBrunch.hs
+++ b/src/GitBrunch.hs
@@ -5,41 +5,41 @@
   )
 where
 
-import           Data.Maybe                               ( fromMaybe )
+import           Data.Maybe                     ( fromMaybe )
 import qualified Graphics.Vty                  as V
-import           Lens.Micro                               ( (^.) -- view
-                                                          , (.~) -- set
-                                                          , (%~) -- over
-                                                          , (&)
-                                                          , Lens'
-                                                          , lens
-                                                          )
+import           Lens.Micro                     ( (^.) -- view
+                                                , (.~) -- set
+                                                , (%~) -- over
+                                                , (&)
+                                                , Lens'
+                                                , lens
+                                                )
 
 import qualified Brick.Main                    as M
-import           Brick.Types                              ( Widget )
-import           Brick.Themes                             ( themeToAttrMap )
+import           Brick.Types                    ( Widget )
+import           Brick.Themes                   ( themeToAttrMap )
 import qualified Brick.Types                   as T
 import qualified Brick.Widgets.Border          as B
 import qualified Brick.Widgets.Border.Style    as BS
 import qualified Brick.Widgets.Center          as C
-import           Brick.Widgets.Core                       ( hLimit
-                                                          , str
-                                                          , vBox
-                                                          , hBox
-                                                          , padAll
-                                                          , padLeft
-                                                          , padRight
-                                                          , withAttr
-                                                          , withBorderStyle
-                                                          , (<+>)
-                                                          )
+import           Brick.Widgets.Core             ( hLimit
+                                                , str
+                                                , vBox
+                                                , hBox
+                                                , padAll
+                                                , padLeft
+                                                , padRight
+                                                , withAttr
+                                                , withBorderStyle
+                                                , (<+>)
+                                                )
 import qualified Brick.Widgets.List            as L
 import qualified Data.Vector                   as Vec
 import           Data.List
 import           Data.Char
 
 import           Git
-import           Theme                                    ( theme )
+import           Theme                          ( theme )
 
 
 data Name = Local | Remote deriving (Ord, Eq, Show)
@@ -52,7 +52,7 @@
   finalState <- M.defaultMain app (initialState branches)
   printResult =<< checkoutBranch (selectedBranch finalState)
  where
-  printResult (Left  err) = putStr err
+  printResult (Left  err) = putStrLn err
   printResult (Right msg) = putStr msg
   checkoutBranch (Just b) = Git.checkout b
   checkoutBranch Nothing  = pure $ Left "No branch selected."