diff --git a/setup.cfg b/setup.cfg
index 65fd066ca911486200be2dbf792e0d06cea458b6..f3b1df62952ec1685afb87e9514c0da067659a74 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -10,8 +10,8 @@ keywords = tahoe-lafs, storage, privacy, cryptography
 license = Apache 2.0
 classifiers =
     Framework :: Twisted
-    Programming Language :: Python :: 2
-    Programming Language :: Python :: 2.7
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.9
 author = PrivateStorage.io, LLC
 maintainer = PrivateStorage.io, LLC
 home-page = https://privatestorage.io/