diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 00000000..b524aadd
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+test/*.rb linguist-vendored
+lib/linguist.rb linguist-language=Java
+lib/linguist/classifier.rb linguist-generated