diff --git a/pyproject.toml b/pyproject.toml
index 86f8735e..9b5c9252 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,8 @@ classifiers = [
   "License :: OSI Approved :: Apache Software License",
   "Operating System :: OS Independent",
 ]
+license = "Apache-2.0"
+license-files = ["LICENSE*"]
 
 [project.urls]
 "Homepage" = "https://github.com/open-thought/reasoning-gym"