README.md: use shields.io for the OC badges. (#28280)

1 files changed, 2 insertions, 2 deletions

diff --git a/README.md b/README.md
index 09c24be0bb..10a79d05ad 100644
--- a/README.md
+++ b/README.md
@@ -66,8 +66,8 @@ Read the [Getting started page](https://getbootstrap.com/docs/4.3/getting-starte
 [![CSS gzip size](https://img.badgesize.io/twbs/bootstrap/master/dist/css/bootstrap.min.css?compression=gzip&label=CSS+gzip+size)](https://github.com/twbs/bootstrap/tree/master/dist/css/bootstrap.min.css)
 [![JS gzip size](https://img.badgesize.io/twbs/bootstrap/master/dist/js/bootstrap.min.js?compression=gzip&label=JS+gzip+size)](https://github.com/twbs/bootstrap/tree/master/dist/js/bootstrap.min.js)
 [![BrowserStack Status](https://www.browserstack.com/automate/badge.svg?badge_key=SkxZcStBeExEdVJqQ2hWYnlWckpkNmNEY213SFp6WHFETWk2bGFuY3pCbz0tLXhqbHJsVlZhQnRBdEpod3NLSDMzaHc9PQ==--3d0b75245708616eb93113221beece33e680b229)](https://www.browserstack.com/automate/public-build/SkxZcStBeExEdVJqQ2hWYnlWckpkNmNEY213SFp6WHFETWk2bGFuY3pCbz0tLXhqbHJsVlZhQnRBdEpod3NLSDMzaHc9PQ==--3d0b75245708616eb93113221beece33e680b229)
-[![Backers on Open Collective](https://opencollective.com/bootstrap/backers/badge.svg)](#backers)
-[![Sponsors on Open Collective](https://opencollective.com/bootstrap/sponsors/badge.svg)](#sponsors)
+[![Backers on Open Collective](https://img.shields.io/opencollective/backers/bootstrap.svg?style=flat)](#backers)
+[![Sponsors on Open Collective](https://img.shields.io/opencollective/sponsors/bootstrap.svg?style=flat)](#sponsors)
 
 
 ## What's included