Hi, I've released mpdecimal-2.4.1: http://www.bytereef.org/mpdecimal/changelog.html da74d3cfab559971a4fbd4fb506e1b4498636eb77d0fd09e44f8e546d18ac068 mpdecimal-2.4.1.tar.gz Starting with Python 3.4.2, this version should be used for an external libmpdec. Stefan Krah