diff --git a/tox.ini b/tox.ini
index c137cca..2370711 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,6 +4,10 @@
 #     * envlists
 #     * testenv
 #     * testenv:.package
+#     * testenv:py315-dev
+#     * testenv:py315
+#     * testenv:py314-dev
+#     * testenv:py314
 #     * testenv:py313-dev
 #     * testenv:py313
 #     * testenv:py312-dev
@@ -101,7 +105,7 @@ skip_install = True
 ignore_errors = True
 changedir = {toxinidir}
 deps = pyupgrade-directories
-commands = pyup_dirs pprint36 tests --py36-plus --recursive
+commands = pyup_dirs pprint36 tests --py37-plus --recursive
 
 [testenv:coverage]
 basepython = python3.9