diff --git a/setup.cfg b/setup.cfg
index 77e5afc..e70ce71 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,9 +17,8 @@ classifier =
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
-    Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [files]
 packages =