diff --git a/README.md b/README.md
index 54b7bd11d7..f5c548feca 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 [![Validation](https://github.com/bids-standard/bids-specification/actions/workflows/validation.yml/badge.svg)](https://github.com/bids-standard/bids-specification/actions/workflows/validation.yml)
 [![CircleCI](https://circleci.com/gh/bids-standard/bids-specification.svg?style=shield)](https://circleci.com/gh/bids-standard/bids-specification)
+[![Mastodon Follow](https://img.shields.io/mastodon/follow/109520103085644521?domain=https%3A%2F%2Ffosstodon.org%2F)](https://fosstodon.org/@bidsstandard)
 [![@BIDSstandard](http://img.shields.io/twitter/follow/bidsstandard.svg?style=social)](https://twitter.com/BIDSstandard)
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.3686061.svg)](https://doi.org/10.5281/zenodo.3686061)