diff --git a/Grm/Prims.hs b/Grm/Prims.hs
--- a/Grm/Prims.hs
+++ b/Grm/Prims.hs
@@ -1,5 +1,5 @@
 {-# OPTIONS -Wall #-}
-{-# LANGUAGE DeriveDataTypeable #-}
+{-# LANGUAGE DeriveDataTypeable #-}
 
 -- The grm grammar generator
 -- Copyright 2011-2012, Brett Letner
diff --git a/grm.cabal b/grm.cabal
--- a/grm.cabal
+++ b/grm.cabal
@@ -1,6 +1,6 @@
 Name:                grm
 
-Version:             0.1.0
+Version:             0.1.1
 
 Synopsis:            grm grammar converter
 
@@ -30,10 +30,10 @@
 
 Library
   Exposed-modules:     Grm.Prims, Grm.Layout, Grm.Lex
-  Build-depends: base < 5, wl-pprint, process, syb, filepath, directory
+  Build-depends: base < 5, wl-pprint, process, syb >= 0.3, filepath, directory
 
 Executable grm
   Main-is:             grm.hs
-  Build-depends:       base < 5, parsec, wl-pprint, filepath, cmdargs, directory, Cabal, process, syb
+  Build-depends:       base < 5, parsec, wl-pprint, filepath, cmdargs, directory, Cabal, process, syb >= 0.3
   Build-tools:         happy