diff --git a/utils/build/includes/extras.json b/utils/build/includes/extras.json
index 2f68f1340b04a06213de654a6f8559e959e1bcb8..705706d5f7bf14628521cc132aeffbf7613a9aa9 100644
--- a/utils/build/includes/extras.json
+++ b/utils/build/includes/extras.json
@@ -1,4 +1,5 @@
 [
+	"src/extras/CurveUtils.js",
 	"src/extras/GeometryUtils.js",
 	"src/extras/ImageUtils.js",
 	"src/extras/SceneUtils.js",