diff --git a/pyproject.toml b/pyproject.toml
index 93145c9e3..b34ed515a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,6 +34,10 @@ fail-under = 100
 whitelist-regex = ["test_.*"]
 
 
+[tool.check-wheel-contents]
+toplevel = ["attr", "attrs"]
+
+
 [tool.isort]
 profile = "attrs"