diff --git a/config.tex b/config.tex
index a5016ff..949bea0 100644
--- a/config.tex
+++ b/config.tex
@@ -20,6 +20,7 @@
 \usepackage{xstring}
 \usepackage{tabularx}
 \usepackage{enumitem}
+\usepackage{mathtools}
 \usepackage[strict=true]{csquotes}
 \usepackage[abspath]{currfile}
 \usepackage[hidelinks,linktoc=all]{hyperref}