diff --git a/setup.py b/setup.py
index 5489686..ebfd16b 100644
--- a/setup.py
+++ b/setup.py
@@ -37,8 +37,10 @@ def read(*names, **kwargs):
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],
     author="Yasushi Masuda",