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README.md

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 # URI::IDNA
 
+[![Gem Version](https://badge.fury.io/rb/uri-idna.svg)](https://rubygems.org/gems/uri-idna)
+[![Ruby](https://github.com/skryukov/uri-idna/actions/workflows/main.yml/badge.svg)](https://github.com/skryukov/uri-idna/actions/workflows/main.yml)
+
 A IDNA 2008, UTS 46 and Punycode implementation in pure Ruby.
 
 This gem provides a number of functions for converting internationalized domain names (IDNs) between the Unicode and ASCII Compatible Encoding (ACE) forms.
 
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+<img src="https://evilmartians.com/badges/sponsored-by-evil-martians.svg" alt="Sponsored by Evil Martians" width="236" height="54">
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 ## Installation
 
 Add to your Gemfile: