1 files changed, 1 insertions, 0 deletions
diff --git a/main.tex b/main.tex
index 179efd7..293f19d 100644
--- a/main.tex
+++ b/main.tex
@@ -4,6 +4,7 @@
 \usepackage{amsmath,graphicx,upgreek,amssymb,xcolor}
 \usepackage[colorlinks=true,urlcolor=purple,citecolor=purple,filecolor=purple,linkcolor=purple]{hyperref}
 \usepackage[english]{babel}
+\usepackage[a-1b]{pdfx}
 
 \makeatletter
 % A change to a babel macro -- Don't ask!