diff --git a/README.md b/README.md
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 # dataspecs
 
-![CI](https://github.com/visciang/dataspecs/workflows/CI/badge.svg) [![Coverage Status](https://coveralls.io/repos/github/visciang/dataspecs/badge.svg?branch=master)](https://coveralls.io/github/visciang/dataspecs?branch=master)
+![CI](https://github.com/visciang/dataspecs/workflows/CI/badge.svg) [![Coverage Status](https://coveralls.io/repos/github/visciang/dataspecs/badge.svg?branch=main)](https://coveralls.io/github/visciang/dataspecs?branch=main)
 
 Typespec based data loader and validator (inspired by [forma](https://github.com/soundtrackyourbrand/forma)).