diff --git a/pyproject.toml b/pyproject.toml
index c7d4063..7d46e84 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,6 +8,7 @@ description = "Hamcrest framework for matcher objects"
 readme = "README.rst"
 requires-python = ">= 3.8"
 license = "BSD-3-Clause"
+license-files = ["LICENSE.txt"]
 keywords = [
   "hamcrest",
   "matchers",