On 16 May 2015 at 17:35, Peng Yu <pengyu.ut at gmail.com> wrote: > But I am not able to install version 2.0.1. How to get 2.0.1 via cabal? It hasn't been released yet. You can get a patched version from GitHub: $ git clone https://github.com/mikeizbicki/bloomfilter.git bloomfilter-2.0.1 $ cd bloomfilter-2.0.1 $ cabal install