diff --git a/cd-bootstrap.sh b/bootstrap.sh
similarity index 100%
rename from cd-bootstrap.sh
rename to bootstrap.sh
diff --git a/cd.sh b/cd.sh
index 583d97d..f04df33 100644
--- a/cd.sh
+++ b/cd.sh
@@ -5,7 +5,6 @@ PACKAGES=(
 'git'
 )
 REPOSITORY='rwx.work/cd'
-TARGET='/usr/local/sbin'
 
 for nameserver in "${NAMESERVERS[@]}" ; do
     echo "nameserver ${nameserver}" \
@@ -19,9 +18,10 @@ apt-get update \
 apt-get install --yes "${PACKAGES[@]}" \
 || exit
 
+DIRECTORY="$(mktemp --directory)" \
+|| exit
 git clone \
 "${GITHUB_SERVER_URL}/${REPOSITORY}" \
-"${TARGET}" \
+"${DIRECTORY}" \
 || exit
-
-cd-bootstrap.sh
+"${DIRECTORY}/bootstrap.sh"