diff --git a/setup.py b/setup.py
index 46007f7..6e74ba4 100755
--- a/setup.py
+++ b/setup.py
@@ -67,11 +67,11 @@ setup(
         'Intended Audience :: Developers',
         'Intended Audience :: Science/Research',
         'Natural Language :: English',
-        'License :: OSI Approved :: GPL License',
+        'License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.9',
         'Topic :: Scientific/Engineering',
         'Topic :: Scientific/Engineering :: Human Machine Interfaces',
         'Topic :: Scientific/Engineering :: Physics',