diff --git a/setup.cfg b/setup.cfg
index 6a8ac71..489b020 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -23,6 +23,7 @@ classifiers =
         Programming Language :: Python :: 3.9
         Programming Language :: Python :: 3.10
         Programming Language :: Python :: 3.11
+        Programming Language :: Python :: 3.12
 
 
 [options]
diff --git a/tox.ini b/tox.ini
index f4c2c2e..5d7575b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 
 [tox]
-envlist = py36, py37, py38, py39, py310, py311
+envlist = py36, py37, py38, py39, py310, py311, py312
 
 # TODO: can remove this when we drop py36 support
 # nb. need this for testing older python versions