That's the version that comes with gutsy, and we don't really understand why increasing the required version number helped with issue #553.
"pycryptopp >= 0.5",
"zfec >= 1.1.0",
- # We had a unicode problem with simplejson 1.8.1 on dapper -- see ticket #543.
- "simplejson > 1.8.1",
+ # We had a unicode problem with simplejson 1.8.1 on dapper -- see ticket #543,
+ # but we want to install using Gutsy or Hardy simplejson .deb's if possible --
+ # see ticket #555.
+ "simplejson >= 1.7.1",
"zope.interface",
"Twisted >= 2.4.0",