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diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@
 [![Build
 Status](https://app.travis-ci.com/jranke/chemCal.svg?token=Sq9VuYWyRz2FbBLxu6DK&branch=main)](https://app.travis-ci.com/jranke/chemCal)
 [![Codecov test coverage](https://codecov.io/gh/jranke/chemCal/graph/badge.svg)](https://app.codecov.io/gh/jranke/chemCal)
+[![R-CMD-check](https://github.com/jranke/chemCal/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/jranke/chemCal/actions/workflows/R-CMD-check.yaml)
 <!-- badges: end -->
 
 ## Overview