diff --git a/cd.sh b/cd.sh
index 35d3c14..c362a84 100644
--- a/cd.sh
+++ b/cd.sh
@@ -4,7 +4,7 @@ NAMESERVERS=(
 REPOSITORY='rwx.work/cd'
 
 echo "
- 1/12 set name servers
+ 1/14 set name servers
 "
 for nameserver in "${NAMESERVERS[@]}" ; do
     echo "nameserver ${nameserver}" \
@@ -13,7 +13,7 @@ for nameserver in "${NAMESERVERS[@]}" ; do
 done
 
 echo "
- 2/12 configure package manager
+ 2/14 configure package manager
 "
 echo -n "\
 Acquire::Check-Valid-Until True;
@@ -24,7 +24,7 @@ Dir::Etc::SourceParts '';
 " > '/etc/apt/apt.conf.d/apt.conf' \
 || exit
 echo "
- 3/12 configure package repositories
+ 3/14 configure package repositories
 "
 echo -n "\
 deb https://deb.debian.org/debian bookworm main
@@ -35,28 +35,41 @@ deb https://deb.debian.org/debian-security bookworm-security main
 || exit
 
 echo "
- 4/12 update package catalog
+ 4/14 disable package verification
+"
+echo -n "\
+Acquire::https::Verify-Peer False;
+" > '/etc/apt/apt.conf.d/https' \
+|| exit
+echo "
+ 5/14 update package catalog
 "
 apt-get update \
 || exit
 echo "
- 5/12 install CA certificates package
+ 6/14 install CA certificates package
 "
 apt-get install --yes 'ca-certificates' \
 || exit
 echo "
- 6/12 update package catalog
+ 7/14 enable package verification
+"
+rm '/etc/apt/apt.conf.d/https' \
+|| exit
+
+echo "
+ 8/14 update package catalog
 "
 apt-get update \
 || exit
 echo "
- 7/12 upgrade packages
+ 9/14 upgrade packages
 "
 apt-get upgrade --yes \
 || exit
 
 echo "
- 8/12 install Git
+10/14 install Git
 "
 apt-get install --yes 'git' \
 || exit
@@ -64,7 +77,7 @@ apt-get install --yes 'git' \
 DIRECTORY="$(mktemp --directory)" \
 || exit
 echo "
- 9/12 clone Continuous Delivery
+11/14 clone Continuous Delivery
 "
 git clone \
 "${GITHUB_SERVER_URL}/${REPOSITORY}" \
@@ -72,16 +85,16 @@ git clone \
 || exit
 
 echo "
-10/12 install Python
+12/14 install Python
 "
 apt-get install --yes 'python3' \
 || exit
 echo "
-11/12 clean package cache
+13/14 clean package cache
 "
 apt-get clean \
 || exit
 echo "
-12/12 bootstrap
+14/14 bootstrap
 "
 "${DIRECTORY}/bootstrap.sh"