diff --git a/pyproject.toml b/pyproject.toml
index 300ebf0..19940ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ log_cli = "True"
 markers = [
   "slow: slow tests",
 ]
+license-files = ["LICENSE.md"]
 minversion = "6.0"
 testpaths = "tests/"