diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000..27debf0b6
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+d2layouts/d2dagrelayout/dagre.js linguist-vendored
+d2layouts/d2elklayout/elk.js linguist-vendored