diff --git a/.gitignore b/.gitignore
index 0cb6eeb..55f9591 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,35 @@
-/.bundle/
-/.yardoc
-/Gemfile.lock
-/_yardoc/
+.gem
+*.rbc
+/.config
 /coverage/
-/doc/
+/InstalledFiles
 /pkg/
 /spec/reports/
+/test/tmp/
+/test/version_tmp/
 /tmp/
+
+## Specific to RubyMotion:
+.dat*
+.repl_history
+build/
+
+## Documentation cache and generated files:
+/.yardoc/
+/_yardoc/
+/doc/
+/rdoc/
+
+## Environment normalisation:
+/.bundle/
+/vendor/bundle
+/lib/bundler/man/
+
+# for a library or gem, you might want to ignore these files since the code is
+# intended to run in multiple environments; otherwise, check them in:
+Gemfile.lock
+.ruby-version
+.ruby-gemset
+
+# unless supporting rvm < 1.11.0 or doing something fancy, ignore this:
+.rvmrc