diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..9001af9
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,4 @@
+language: ruby
+rvm:
+  - 1.9.3
+  - ree
diff --git a/README.rdoc b/README.rdoc
index 0cb209d..aade42c 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -1,5 +1,7 @@
 = ical2gcal
 
+{<img src="https://travis-ci.org/wtnabe/ical2gcal.png" alt="Build Status" />}[https://travis-ci.org/wtnabe/ical2gcal]
+
 sync ics(es) to google calendar
 
 == Benefits
@@ -10,7 +12,7 @@ sync ics(es) to google calendar
 == Requirements
 
 * PC :-)
-* Ruby ( tested with CRuby 1.8.7 )
+* Ruby ( tested with REE 1.8.7 and CRuby 1.9.3)
 * ri_cal      http://ri-cal.rubyforge.org/
 * gcalapi     http://gcalapi.rubyforge.org/
 * simple-rss  http://simple-rss.rubyforge.org/