bump sparks reqs to 3.5.3 for worker niceness again.
bump sparks reqs to 3.5.3 for worker niceness again.

1flow/1flow,1flow/1flow,WillianPaiva/1flow,1flow/1flow,WillianPaiva/1flow,1flow/1flow,WillianPaiva/1flow,WillianPaiva/1flow,WillianPaiva/1flow,1flow/1flow