diff --git a/pyproject.toml b/pyproject.toml
index b363bbcd..aa77d6a0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ build-backend = "setuptools.build_meta"
 name = "openfeature_sdk"
 version = "0.3.1"
 description = "Standardizing Feature Flagging for Everyone"
-readme = "readme.md"
+readme = "README.md"
 authors = [{ name = "OpenFeature", email = "openfeature-core@groups.io" }]
 license = { file = "LICENSE" }
 classifiers = [