3 files changed, 3 insertions, 1 deletions
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 2f234fe..ceff6d1 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -10,7 +10,7 @@ Added
 
 - Add a man page for ``mkarchiso``.
 - Implement configurable bootstrap tarball compression. It is configured in ``profiledef.sh`` using a bash array called
-  ``bootstrap_tarball_compression``.
+  ``bootstrap_tarball_compression``. baseline tarball now uses zstd compression while releng remains with gzip for now.
 
 Changed
 -------
diff --git a/configs/baseline/profiledef.sh b/configs/baseline/profiledef.sh
index 913ff8a..618235a 100644
--- a/configs/baseline/profiledef.sh
+++ b/configs/baseline/profiledef.sh
@@ -15,6 +15,7 @@ arch="x86_64"
 pacman_conf="pacman.conf"
 airootfs_image_type="erofs"
 airootfs_image_tool_options=('-zlzma,109' -E 'ztailpacking,fragments,dedupe')
+bootstrap_tarball_compression=(zstd -c -T0 --long -19)
 file_permissions=(
   ["/etc/shadow"]="0:0:400"
 )
diff --git a/configs/releng/profiledef.sh b/configs/releng/profiledef.sh
index 12d70c6..4603210 100644
--- a/configs/releng/profiledef.sh
+++ b/configs/releng/profiledef.sh
@@ -15,6 +15,7 @@ arch="x86_64"
 pacman_conf="pacman.conf"
 airootfs_image_type="squashfs"
 airootfs_image_tool_options=('-comp' 'xz' '-Xbcj' 'x86' '-b' '1M' '-Xdict-size' '1M')
+bootstrap_tarball_compression=(gzip -cn9)
 file_permissions=(
   ["/etc/shadow"]="0:0:400"
   ["/root"]="0:0:750"