diff --git a/completion/generate.sh b/completion/generate.sh
new file mode 100755
index 0000000..c25cb91
--- /dev/null
+++ b/completion/generate.sh
@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+# author: deadc0de6 (https://github.com/deadc0de6)
+# Copyright (c) 2019, deadc0de6
+
+set -e
+
+bin="docopt-completion"
+if ! hash ${bin}; then
+  echo "\"${bin}\" not found!"
+  exit 1
+fi
+
+rl="readlink -f"
+if ! ${rl} "${0}" >/dev/null 2>&1; then
+  rl="realpath"
+
+  if ! hash ${rl}; then
+    echo "\"${rl}\" not found!"
+    exit 1
+  fi
+fi
+
+cur=$(dirname "$(${rl} "${0}")")
+opwd=$(pwd)
+
+# output files
+compl="${cur}"
+dtsh_zsh="${compl}/_dotdrop.sh-completion.zsh"
+dtsh_bash="${compl}/dotdrop.sh-completion.bash"
+dt_zsh="${compl}/_dotdrop-completion.zsh"
+dt_bash="${compl}/dotdrop-completion.bash"
+
+# generate for dotdrop.sh
+cd ${cur}/..
+docopt-completion ./dotdrop.sh --manual-zsh
+mv ./_dotdrop.sh ${dtsh_zsh}
+docopt-completion ./dotdrop.sh --manual-bash
+mv ./dotdrop.sh.sh ${dtsh_bash}
+
+# generate for dotdrop
+vbin="virtualenv"
+if ! hash ${vbin}; then
+  echo "\"${vbin}\" not found!"
+  exit 1
+fi
+cd ${cur}/..
+venv="/tmp/dotdrop-venv"
+${vbin} -p python3 ${venv}
+source ${venv}/bin/activate
+python setup.py install
+cd /tmp
+docopt-completion dotdrop --manual-zsh
+mv ./_dotdrop ${dt_zsh}
+docopt-completion dotdrop --manual-bash
+mv ./dotdrop.sh ${dt_bash}
+deactivate
+rm -rf ${venv}
+
+# pivot back
+cd ${opwd}