diff --git a/paper.tex b/paper.tex
index ec8457a..71ee757 100644
--- a/paper.tex
+++ b/paper.tex
@@ -103,7 +103,7 @@
 %%%
 %%%  Bibliography
 %%%
-\usepackage[numbers]{natbib}
+\usepackage[numbers,sort]{natbib}
 
 %%%
 %%%  Footnotes / Endnotes