diff --git a/pyproject.toml b/pyproject.toml
index 6ea91f9..bc1d5d0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,6 +35,7 @@ dev = [
     "sphinx-copybutton",
     "sphinx-rtd-theme>0.5.1",
     "twine",
+    "build",
 ]
 cuda = [
     # Added to handle uv issue with metadata.