diff --git a/mkrel.sh b/mkrel.sh
new file mode 100755
index 0000000..6773111
--- /dev/null
+++ b/mkrel.sh
@@ -0,0 +1,68 @@
+#!/bin/bash
+
+# Copyright © 2024 Thomas von Dein
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see .
+
+
+# get list with: go tool dist list
+DIST="linux/amd64
+windows/amd64 "
+
+tool="$1"
+version="$2"
+
+if test -z "$version"; then
+ echo "Usage: $0 "
+ exit 1
+fi
+
+rm -rf releases
+mkdir -p releases
+
+
+for D in $DIST; do
+ os=${D/\/*/}
+ arch=${D/*\//}
+ binfile="releases/${tool}-${os}-${arch}-${version}"
+
+ if test "$os" = "windows"; then
+ binfile="${binfile}.exe"
+ fi
+
+ tardir="${tool}-${os}-${arch}-${version}"
+ tarfile="releases/${tool}-${os}-${arch}-${version}.tar.gz"
+ set -x
+ GOOS=${os} GOARCH=${arch} go build -o ${binfile}
+ continue
+
+ mkdir -p ${tardir}
+ cp ${binfile} README.md LICENSE ${tardir}/
+ echo 'tool = gfn
+PREFIX = /usr/local
+UID = root
+GID = 0
+
+install:
+ install -d -o $(UID) -g $(GID) $(PREFIX)/bin
+ install -d -o $(UID) -g $(GID) $(PREFIX)/man/man1
+ install -o $(UID) -g $(GID) -m 555 $(tool) $(PREFIX)/sbin/
+ install -o $(UID) -g $(GID) -m 444 $(tool).1 $(PREFIX)/man/man1/' > ${tardir}/Makefile
+ tar cpzf ${tarfile} ${tardir}
+ sha256sum ${binfile} | cut -d' ' -f1 > ${binfile}.sha256
+ sha256sum ${tarfile} | cut -d' ' -f1 > ${tarfile}.sha256
+ rm -rf ${tardir}
+ set +x
+done
+