.gitignore in audio_monster-1.0.3 vs .gitignore in audio_monster-1.0.4

@@ -9,6 +9,7 @@
 /tmp/
 *.bundle
 *.so
 *.o
 *.a
-/test/tmp/
+/test/tmp/
+.ruby-version
\ No newline at end of file