diff --git a/index.html b/index.html
index 7c7c09d..a0049e6 100644
--- a/index.html
+++ b/index.html
@@ -149,7 +149,7 @@
         <li>Arbitrage on Decentralized Exchanges (with <a class="authorlink" href="https://sites.google.com/site/xuedonghepage/home"
                 target="_blank">Xuedong He</a> and <a class="authorlink" href="https://hk.linkedin.com/in/yutian-zhou-555870189" target="_blank">Yutian Zhou</a>).<br>
             Working Paper. <span class="links">[<a class="paperlink" href="" onclick="toggleAbstract('abs_arbDEX');return false">Abstract</a>|<a class="paperlink"
-                href="https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5347630" target="_blank">SSRN</a>]</span><br>
+                href="https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5347630" target="_blank">SSRN</a>|<a class="paperlink" href="https://arxiv.org/abs/2507.08302" target="_blank">arXiv</a>]</span><br>
             <div class="fade-in" style="display:none" id="abs_arbDEX">
                 <hr>
                 Decentralized exchanges (DEXs) are alternative venues to centralized exchanges (CEXs) for trading