diff --git a/.gitattributes b/.gitattributes
index 5ca12b6c..28e9d297 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,5 @@
-test/*.rb linguist-ignore
-lib/linguist.rb linguist-lang=Java
+Gemfile linguist-vendored=true
+lib/linguist.rb linguist-language=Java
+test/*.rb linguist-language=Java
+Rakefile linguist-generated
+test/fixtures/* linguist-vendored=false