Update README.md

README.md

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 # `dsu`
 
 [![Ruby](https://github.com/gangelo/dsu/actions/workflows/ruby.yml/badge.svg)](https://github.com/gangelo/dsu/actions/workflows/ruby.yml)
-[![GitHub version](http://badge.fury.io/gh/gangelo%2Fdsu.svg?refresh=14)](https://badge.fury.io/gh/gangelo%2Fdsu)
-[![Gem Version](https://badge.fury.io/rb/dsu.svg?refresh=14)](https://badge.fury.io/rb/dsu)
+[![GitHub version](http://badge.fury.io/gh/gangelo%2Fdsu.svg?refresh=15)](https://badge.fury.io/gh/gangelo%2Fdsu)
+[![Gem Version](https://badge.fury.io/rb/dsu.svg?refresh=15)](https://badge.fury.io/rb/dsu)
 [![Documentation](http://img.shields.io/badge/docs-rdoc.info-blue.svg)](http://www.rubydoc.info/gems/dsu/)
 [![Report Issues](https://img.shields.io/badge/report-issues-red.svg)](https://github.com/gangelo/dsu/issues)
 [![License](http://img.shields.io/badge/license-MIT-yellowgreen.svg)](#license)