diff --git a/pyproject.toml b/pyproject.toml
index 548d192..23820e3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,6 +22,10 @@ dependencies = [
     "pytest>=7.2.1",
 ]
 
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
 [project.urls]
 homepage = "https://github.com/Bubobubobubobubo/ziffers-python"
 documentation = "https://github.com/Bubobubobubobubo/ziffers-python"