diff --git a/.gitignore b/.gitignore
index 8118c49..5a8b792 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,19 @@
-/Kookfile
-/vendor
-/.bundle
-/Gemfile.lock
+.bundle
+.config
+coverage
+doc/
+*.gem
+Gemfile.lock
+InstalledFiles
+Kookfile
+lib/bundler/man
+pkg
+*.rbc
+rdoc
+spec/reports
+test/tmp
+test/version_tmp
+tmp
+vendor
+_yardoc
+.yardoc