diff --git a/README.md b/README.md
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+++ b/README.md
@@ -20,8 +20,11 @@ is an extension of the original, single-molecule version; it retains the
 same name to avoid confusion.
 
 #### Citation
+
+[![](https://img.shields.io/badge/doi-10.1101/2021.02.02.429335-red.svg)](https://doi.org/10.1101/2023.04.01.535197)
 [![](https://img.shields.io/badge/doi-10.1371/journal.pcbi.1011557-red.svg)](https://doi.org/10.1371/journal.pcbi.1011557)
 
+
 If you use `Rcongas`, please cite these two papers:
 
 - *A Bayesian method to cluster single-cell RNA sequencing data using copy number alterations*. Salvatore Milite, Riccardo Bergamin, Lucrezia Patruno, Nicola Calonaci, Giulio Caravagna. [Bioinformatics](https://doi.org/10.1093/bioinformatics/btac143) 2022.
diff --git a/docs/index.html b/docs/index.html
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@@ -107,7 +107,7 @@
 <div class="section level4">
 <h4 id="citation">Citation<a class="anchor" aria-label="anchor" href="#citation"></a>
 </h4>
-<p><a href="https://doi.org/10.1371/journal.pcbi.1011557" class="external-link"><img src="https://img.shields.io/badge/doi-10.1371/journal.pcbi.1011557-red.svg"></a></p>
+<p><a href="https://doi.org/10.1101/2023.04.01.535197" class="external-link"><img src="https://img.shields.io/badge/doi-10.1101/2021.02.02.429335-red.svg"></a> <a href="https://doi.org/10.1371/journal.pcbi.1011557" class="external-link"><img src="https://img.shields.io/badge/doi-10.1371/journal.pcbi.1011557-red.svg"></a></p>
 <p>If you use <code>Rcongas</code>, please cite these two papers:</p>
 <ul>
 <li><p><em>A Bayesian method to cluster single-cell RNA sequencing data using copy number alterations</em>. Salvatore Milite, Riccardo Bergamin, Lucrezia Patruno, Nicola Calonaci, Giulio Caravagna. <a href="https://doi.org/10.1093/bioinformatics/btac143" class="external-link">Bioinformatics</a> 2022.</p></li>