diff --git a/tox.ini b/tox.ini
index 189a212..eea3ba4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -47,7 +47,7 @@ setenv =
     VIRTUAL_ENV={envdir}
     PYTHONPATH={toxinidir}:{toxinidir}/psec
 commands_pre =
-    poetry install --no-root --sync --with=dev --with=test
+    poetry install --no-root --with=dev --with=test
     poetry self add poetry-dynamic-versioning[plugin]
 commands =
     poetry dynamic-versioning