diff --git a/README.md b/README.md
index 407f742..f03917a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # TrainRun
 
-[![License: ISC](https://img.shields.io/badge/license-ISC-green.svg)](https://opensource.org/licenses/ISC) 
+[![License: ISC](https://img.shields.io/badge/license-ISC-green.svg)](https://opensource.org/licenses/ISC) [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.6448563.svg)](https://doi.org/10.5281/zenodo.6448563)
 
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