.gitignore in triviacrack-0.3.0 vs .gitignore in triviacrack-0.3.2

@@ -1,8 +1,7 @@
 /.bundle/
 /.yardoc
-/Gemfile.lock
 /_yardoc/
 /coverage/
 /doc/
 /pkg/
 /spec/reports/
@@ -10,5 +9,6 @@
 *.bundle
 *.so
 *.o
 *.a
 mkmf.log
+*.gem