2 files changed, 3 insertions, 1 deletions
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 388cba3..0592b94 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -14,6 +14,8 @@ Added
 Changed
 -------
 
+- Change releng profile's bootstrap tarball compression from gzip to zstd. zstd provides higher and faster compression.
+
 Deprecated
 ----------
 
diff --git a/configs/releng/profiledef.sh b/configs/releng/profiledef.sh
index 4603210..06e488d 100644
--- a/configs/releng/profiledef.sh
+++ b/configs/releng/profiledef.sh
@@ -15,7 +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)
+bootstrap_tarball_compression=('zstd' '-c' '-T0' '--auto-threads=logical' '--long' '-19')
 file_permissions=(
   ["/etc/shadow"]="0:0:400"
   ["/root"]="0:0:750"