diff --git a/styles.tex b/styles.tex
index 4cd0c27..0544d87 100644
--- a/styles.tex
+++ b/styles.tex
@@ -30,6 +30,8 @@
 \usepackage{varioref}
 \usepackage{csvsimple}
 \usepackage{tcolorbox}
+\usepackage{qrcode}
+\usepackage{blindtext}
 
 \usepackage{refcount,lastpage}
 \makeatletter