diff --git a/README.md b/README.md
index ecb3b718..c9fba2c5 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # Fasten
 
 [![Crates.io](https://img.shields.io/crates/v/fasten)](https://crates.io/crates/fasten)
+[![CI](https://github.com/lskatz/fasten/actions/workflows/basic.yml/badge.svg)](https://github.com/lskatz/fasten/actions/workflows/basic.yml)
 [![DOI](https://joss.theoj.org/papers/10.21105/joss.06030/status.svg)](https://doi.org/10.21105/joss.06030)
 
 A powerful manipulation suite for interleaved fastq files.