.travis.yml in musicbrainz-0.5.0 vs .travis.yml in musicbrainz-0.5.1

@@ -1,3 +1,4 @@
 rvm:
   - 1.8.7
-  - 1.9.2
+  - 1.9.2
+  - 1.9.3
\ No newline at end of file