README.md in embulk-input-athena-0.1.5 vs README.md in embulk-input-athena-0.1.6

@@ -50,6 +50,9 @@
 $ docker-compose exec embulk bash
 embulk>$ ./gradlew gem  # -t to watch change of files and rebuild continuously
 
 embulk>$ embulk preview -I lib sample.yml
 embulk>$ embulk preview -L . sample.yml
+
+curl -u shinji19 https://rubygems.org/api/v1/api_key.yaml > ~/.gem/credentials
+embulk>$ ./gradlew gemPush
 ```