diff --git a/arxiv-style/main.tex b/arxiv-style/main.tex
index 8c7098a..ea72c6a 100644
--- a/arxiv-style/main.tex
+++ b/arxiv-style/main.tex
@@ -14,7 +14,7 @@
 \usepackage{cleveref}       % smart cross-referencing
 \usepackage{lipsum}         % Can be removed after putting your text content
 \usepackage{graphicx}
-\usepackage{natbib}
+\usepackage[numbers]{natbib}
 \usepackage{doi}
 
 % Packages for equations