diff --git a/pyproject.toml b/pyproject.toml
index dfa0886..715761d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,7 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
 [project]
 name = "useful-functions"
 version = "0.1.0"