diff --git a/README.md b/README.md
index d1d5226..1f8346c 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,15 @@ Installation
 ------------
 
 ```
+git submodule update --init --recursive
+cabal sandbox init
+cabal sandbox add-source 3rdparty/hinotify
+cabal sandbox add-source 3rdparty/hpath
+cabal sandbox add-source 3rdparty/hpath/3rdparty/posix-paths
+cabal sandbox add-source 3rdparty/simple-sendfile
+cabal install alex happy
+export PATH="$(pwd)/.cabal-sandbox/bin:$PATH"
+cabal install gtk2hs-buildtools
 cabal install
 ```