diff --git a/pyproject.toml b/pyproject.toml
index b3aa626..852089f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,7 @@
 [build-system]
 requires = ["setuptools"]
 build-backend = "setuptools.build_meta"
+packages = ["eophis"]
 
 [project]
 name = "eophis"