diff --git a/tox.ini b/tox.ini
index 05159b07..c5b9ef51 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py37, py38, build, flake8, black
+envlist = py39, py310, py311, py312, py313, build, flake8, black
 skipsdist = true
 skip_missing_interpreters = true
 isolated_build = true
@@ -26,8 +26,9 @@ deps =
     pytest
     wheel
     setuptools
+    build
 commands =
-    python setup.py -q sdist bdist_wheel
+    python -m build
     pip install .
     pytest --pyargs grid
 
@@ -42,7 +43,7 @@ deps =
     flake8-colors
 commands =
     flake8 --version
-    flake8 src/grid setup.py
+    flake8 src/grid
 
 [testenv:black]
 basepython = python3
@@ -71,5 +72,8 @@ omit = */test*
 
 [gh]
 python =
-    3.7 = py37, build, flake8, black
-    3.8 = py38
+    3.9 = py39, build, flake8, black
+    3.10 = py310
+    3.11 = py311
+    3.12 = py312
+    3.13 = py313