diff --git a/README.md b/README.md
index dc3db90..d6b97a0 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Maciej Nasinski
 
 [![R build status](https://github.com/polkas/miceFast/workflows/R-CMD-check/badge.svg)](https://github.com/polkas/miceFast/actions)
 [![CRAN](http://www.r-pkg.org/badges/version/miceFast)](https://cran.r-project.org/package=miceFast)
-[![codecov](https://codecov.io/gh/Polkas/miceFast/branch/master/graph/badge.svg)](https://app.codecov.io/gh/Polkas/miceFast)
+[![codecov](https://codecov.io/gh/Polkas/miceFast/branch/main/graph/badge.svg)](https://app.codecov.io/gh/Polkas/miceFast)
 [![Dependencies](https://tinyverse.netlify.app/badge/miceFast)](https://cran.r-project.org/package=miceFast)
 
 Fast imputations under the object-oriented programming paradigm.