diff --git a/chessIO.cabal b/chessIO.cabal
--- a/chessIO.cabal
+++ b/chessIO.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: e505fd24df36269f375ff860ab6077ee69071a7e4b277bfa10b3fdb307e50f76
+-- hash: 8037d0951001b6398261206fbdf3222679eb0d0b25f5f5a76c0c671c72dc6c84
 
 name:           chessIO
-version:        0.3.1.0
+version:        0.3.1.1
 synopsis:       Basic chess library
 description:    A simple library for generating legal chess moves. Also includes a module for communication with external processes that speak the UCI (Universal Chess Interface) protocol, a PGN parser/pretty printer, and Polyglot opening book support. On top of that, provides a console frontend program (cboard) that can be used to interactively play against UCI engines.
 category:       Game
@@ -33,9 +33,9 @@
       Game.Chess.PGN
       Game.Chess.Polyglot.Book
       Game.Chess.Polyglot.Hash
+      Game.Chess.QuadBitboard
       Game.Chess.UCI
   other-modules:
-      Game.Chess.QuadBitboard
       Paths_chessIO
   hs-source-dirs:
       src