diff --git a/setup.py b/setup.py
index 9ec5e298cca995717e9a7195f9f29ed1ab02d65a..c3bf3b7128ea94bdce964002ecee3f2ee7bf7c86 100644
--- a/setup.py
+++ b/setup.py
@@ -22,6 +22,8 @@ metainfo = {
         'Intended Audience :: Science/Research',
         'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)',
         'Operating System :: OS Independent',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Topic :: Scientific/Engineering :: Bio-Informatics',]