README.md in dry-schema-0.4.0 vs README.md in dry-schema-0.5.0

@@ -1,11 +1,11 @@
 [gem]: https://rubygems.org/gems/dry-schema
 [travis]: https://travis-ci.org/dry-rb/dry-schema
 [codeclimate]: https://codeclimate.com/github/dry-rb/dry-schema
-[coveralls]: https://coveralls.io/r/dry-rb/dry-schema
+[chat]: https://dry-rb.zulipchat.com
 [inchpages]: http://inch-ci.org/github/dry-rb/dry-schema
 
-# dry-schema [![Join the chat at https://gitter.im/dry-rb/chat](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/dry-rb/chat)
+# dry-schema [![Join the chat at https://dry-rb.zulipchat.com](https://img.shields.io/badge/dry--rb-join%20chat-%23346b7a.svg)][chat]
 
 [![Gem Version](https://badge.fury.io/rb/dry-schema.svg)][gem]
 [![Build Status](https://travis-ci.org/dry-rb/dry-schema.svg?branch=master)][travis]
 [![Code Climate](https://codeclimate.com/github/dry-rb/dry-schema/badges/gpa.svg)][codeclimate]
 [![Test Coverage](https://codeclimate.com/github/dry-rb/dry-schema/badges/coverage.svg)][codeclimate]