install.texi | 2 +-
 makedist     | 2 +-

diff --git a/install.texi b/install.texi
index c4145de480907dc0dbf230ca772554831e26830fef71eae7b15b197d5b94f3bc..6048173e286eab8d8aeb9db226c4ae745f1704e6c1e593fc592bdf49a388b48a 100644
--- a/install.texi
+++ b/install.texi
@@ -8,7 +8,7 @@ @example
 $ [fetch|wget] http://www.gogost.cypherpunks.ru/gogost-@value{VERSION}.tar.zst
 $ [fetch|wget] http://www.gogost.cypherpunks.ru/gogost-@value{VERSION}.tar.zst.@{asc,sig@}
 [verify signature]
-$ zstd -d gogost-@value{VERSION}.tar.zst | tar xf -
+$ tar xf gogost-@value{VERSION}.tar.zst
 $ cd gogost-@value{VERSION}
 $ go build -mod=vendor -o streebog256 ./cmd/streebog256
 $ echo hello world | ./streebog256
diff --git a/makedist b/makedist
index f3111790a1bf7b6192f410498928fa516675be558dd657c36205d5c36af17a55..c2d3e2d0abc22d33ce785e40448aa407a75104fe02ff09c3118aa1f30fec1650 100755
--- a/makedist
+++ b/makedist
@@ -63,7 +63,7 @@ chmod +x bench
 
 cd ..
 tar cvf gogost-"$release".tar --uid=0 --gid=0 --numeric-owner gogost-"$release"
-zstd -19 -v gogost-"$release".tar
+zstd -22 --ultra -v gogost-"$release".tar
 tarball=gogost-"$release".tar.zst
 ssh-keygen -Y sign -f ~/.ssh/sign/gogost@cypherpunks.ru -n file $tarball
 gpg --armor --detach-sign --sign --local-user 82343436696FC85A $tarball