diff --git a/iso.sh b/iso.sh
index 57d9301..78632a6 100755
--- a/iso.sh
+++ b/iso.sh
@@ -5,7 +5,7 @@ set -o nounset
 set -o pipefail
 
 debian_signing_key="DA87E80D6294BE9B"
-iso_url="https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-11.6.0-amd64-netinst.iso"
+iso_url="https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-12.2.0-amd64-netinst.iso"
 
 # download
 iso_file=$(basename ${iso_url})