diff --git a/pyproject.toml b/pyproject.toml
index 2870165..c9b8aab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -94,3 +94,15 @@ Issues = "https://github.com/todofixthis/filters/issues"
 
 [tool.pytest.ini_options]
 testpaths = ["test"]
+
+[tool.tox]
+env_list = ["py313", "py312", "py311"]
+
+[tool.tox.env_run_base]
+skip_install = true
+allowlist_externals = ["poetry"]
+commands_pre = [["poetry", "install", "--with=ci"]]
+commands = [
+    ["poetry", "run", "pytest"],
+#    ["poetry", "run", "mypyc", "src", "test"]
+]
\ No newline at end of file
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index d63c584..0000000
--- a/tox.ini
+++ /dev/null
@@ -1,12 +0,0 @@
-# :see: https://python-poetry.org/docs/faq/#use-case-3
-[tox]
-envlist = py3{13,12,11}
-isolated_build = true
-
-[testenv]
-allowlist_externals = poetry
-commands_pre = poetry install --with=ci
-commands =
-    poetry run pytest
-# poetry run mypyc src test
-skip_install = true