diff --git a/Lib/packaging/_trove.py b/Lib/packaging/_trove.py
index 9a8719c..bc9bce8 100644
--- a/Lib/packaging/_trove.py
+++ b/Lib/packaging/_trove.py
@@ -38,7 +38,10 @@
 'Environment :: X11 Applications :: Qt',
 'Framework :: BFG',
 'Framework :: Buildout',
+'Framework :: Buildout :: Extension',
+'Framework :: Buildout :: Recipe',
 'Framework :: Chandler',
+'Framework :: CherryPy',
 'Framework :: CubicWeb',
 'Framework :: Django',
 'Framework :: IDLE',
@@ -47,6 +50,7 @@
 'Framework :: Pylons',
 'Framework :: Setuptools Plugin',
 'Framework :: Trac',
+'Framework :: Tryton',
 'Framework :: TurboGears',
 'Framework :: TurboGears :: Applications',
 'Framework :: TurboGears :: Widgets',
@@ -69,6 +73,7 @@
 'Intended Audience :: System Administrators',
 'Intended Audience :: Telecommunications Industry',
 'License :: Aladdin Free Public License (AFPL)',
+'License :: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication',
 'License :: DFSG approved',
 'License :: Eiffel Forum License (EFL)',
 'License :: Free For Educational Use',
@@ -376,6 +381,7 @@
 'Topic :: Internet :: WWW/HTTP :: Dynamic Content :: Page Counters',
 'Topic :: Internet :: WWW/HTTP :: HTTP Servers',
 'Topic :: Internet :: WWW/HTTP :: Indexing/Search',
+'Topic :: Internet :: WWW/HTTP :: Session',
 'Topic :: Internet :: WWW/HTTP :: Site Management',
 'Topic :: Internet :: WWW/HTTP :: Site Management :: Link Checking',
 'Topic :: Internet :: WWW/HTTP :: WSGI',
@@ -431,6 +437,7 @@
 'Topic :: Printing',
 'Topic :: Religion',
 'Topic :: Scientific/Engineering',
+'Topic :: Scientific/Engineering :: Artificial Life',
 'Topic :: Scientific/Engineering :: Artificial Intelligence',
 'Topic :: Scientific/Engineering :: Astronomy',
 'Topic :: Scientific/Engineering :: Atmospheric Science',