diff --git a/25_Outline/outline.tex b/25_Outline/outline.tex
index 6b39b04..25068cf 100644
--- a/25_Outline/outline.tex
+++ b/25_Outline/outline.tex
@@ -1,6 +1,7 @@
 \documentclass{article}
 \usepackage{tabularx}
 \usepackage{placeins}
+\usepackage{hyperref}
 
 \newcommand{\tabitem}[1][\textbullet]{~~\llap{#1}~~}