diff --git a/pyproject.toml b/pyproject.toml
index 22129e2ae..7f7f606aa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,6 +6,12 @@ requires = [
 ]
 build-backend = "jupyter_packaging.build_api"
 
+[tool.hatch.build]
+artifacts = [
+  "nbclassic/static",
+  "nbclassic/templates"
+]
+
 [tool.check-manifest]
 ignore = ["tbump.toml", ".*"]