diff --git a/tox.ini b/tox.ini
index 71f6834..8053dd6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,9 +31,9 @@ envlist =
 [testenv]
 # Runs on the "tests" directory by default, or passes the positional
 # arguments from `tox -e py <posargs_1> ... <posargs_n>
-allowlist_externals = poetry
+allowlist_externals = uv
 commands_pre =
-    poetry install --no-root --sync
+    uv sync
 commands =
     coverage run -p -m pytest --durations=20 {posargs:tests}
     coverage combine