diff --git a/README.md b/README.md
index 8250d03..999cabc 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ experimental](https://img.shields.io/badge/lifecycle-experimental-orange.svg)](h
 [![R-CMD-check](https://github.com/nutriverse/mwana/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/nutriverse/mwana/actions/workflows/R-CMD-check.yaml)
 [![test-coverage](https://github.com/nutriverse/mwana/actions/workflows/test-coverage.yaml/badge.svg)](https://github.com/nutriverse/mwana/actions/workflows/test-coverage.yaml)
 [![codecov](https://codecov.io/gh/nutriverse/mwana/graph/badge.svg?token=kUUp1WOlSi)](https://codecov.io/gh/nutriverse/mwana)
+[![CodeFactor](https://www.codefactor.io/repository/github/nutriverse/mwana/badge.png)](https://www.codefactor.io/repository/github/nutriverse/mwana)
 [![DOI](https://zenodo.org/badge/867609177.svg)](https://zenodo.org/badge/latestdoi/867609177)
 <!-- badges: end -->
 
diff --git a/README.qmd b/README.qmd
index 93f9bb1..acb1886 100644
--- a/README.qmd
+++ b/README.qmd
@@ -24,6 +24,7 @@ library(mwana)
 [![R-CMD-check](https://github.com/nutriverse/mwana/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/nutriverse/mwana/actions/workflows/R-CMD-check.yaml)
 [![test-coverage](https://github.com/nutriverse/mwana/actions/workflows/test-coverage.yaml/badge.svg)](https://github.com/nutriverse/mwana/actions/workflows/test-coverage.yaml)
 [![codecov](https://codecov.io/gh/nutriverse/mwana/graph/badge.svg?token=kUUp1WOlSi)](https://codecov.io/gh/nutriverse/mwana)
+[![CodeFactor](https://www.codefactor.io/repository/github/nutriverse/mwana/badge)](https://www.codefactor.io/repository/github/nutriverse/mwana)
 [![DOI](https://zenodo.org/badge/867609177.svg)](https://zenodo.org/badge/latestdoi/867609177)
 <!-- badges: end -->