diff --git a/bootstrap.sh b/bootstrap.sh
index 01f9abb..dce18ec 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -86,7 +86,8 @@ pacman --sync --refresh --refresh --noconfirm --sysupgrade \
     transmission-cli \
     tree \
     ukify \
-    wget
+    wget \
+    xorriso
 
 # Use mkosi from Git so we don't have to wait for releases when things break.
 # OTOH, things may break in Git. Therefore, which version is used may change over time.