diff --git a/pyproject.toml b/pyproject.toml
index 1ed333fc4..2f1b0a168 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,6 @@
 [build-system]
 requires = [
+    "build",
     "check-wheel-contents",
     "setuptools",
     "twine",