diff --git a/pyproject.toml b/pyproject.toml
index 17cd3f4..dbcdd0d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,7 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
 [project]
 name = "input-remapper"
 version = "2.2.0"