.gitignore in envkey-1.3.2 vs .gitignore in envkey-2.0.5

@@ -1,11 +1,14 @@
+/ext/
 /.bundle/
 /.yardoc
 /Gemfile.lock
 /_yardoc/
 /coverage/
 /doc/
 /pkg/
 /spec/reports/
 /tmp/
 *.gem
-.byebug_history
+.byebug_history
+
+*.version.shasum
\ No newline at end of file