diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000..727015b74f
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,4 @@
+third-party/* linguist-vendored
+*.gc linguist-language=lisp
+*.gd linguist-language=lisp
+*.gs linguist-language=Scheme