diff --git a/.github/depup.sh b/.github/depup.sh
new file mode 100755
index 0000000..3b93b66
--- /dev/null
+++ b/.github/depup.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+CURRENT=$(cd "$(dirname "$0")" && pwd)
+
+set -eu
+
+# cleanup temporary directory
+unset tmpdir
+atexit() {
+  [[ -n ${tmpdir-} ]] && rm -f "$tmpdir"
+}
+trap atexit EXIT
+trap 'rc=$?; trap - EXIT; atexit; exit $?' INT PIPE TERM
+
+tempdir=$(mktemp -d)
+
+# sync install.sh with https://github.com/reviewdog/action-setup
+curl -sSL https://raw.githubusercontent.com/reviewdog/action-setup/master/install.sh -o "$tempdir/install.sh"
+install -m 755 "$tempdir/install.sh" "$CURRENT/../install.sh"
diff --git a/.github/workflows/depup.yml b/.github/workflows/depup.yml
index 8bc63bd..8091292 100644
--- a/.github/workflows/depup.yml
+++ b/.github/workflows/depup.yml
@@ -1,7 +1,7 @@
 name: depup
 on:
   schedule:
-    - cron:  '14 14 * * *' # Runs at 14:14 UTC every day
+    - cron: "14 14 * * *" # Runs at 14:14 UTC every day
   repository_dispatch:
     types: [depup]
   workflow_dispatch:
@@ -14,6 +14,14 @@ jobs:
       - uses: reviewdog/action-depup/with-pr@v1
         with:
           file: action.yml
-          version_name: reviewdog_version
+          version_name: REVIEWDOG_VERSION
           repo: reviewdog/reviewdog
           labels: "bump:minor"
+
+  setup:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: ./.github/depup.sh
+      - name: commit and create a pull request
+        uses: shogo82148/actions-commit-and-create-pr@v1
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index be3cba5..a08b5ae 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -36,7 +36,7 @@ jobs:
           wget -qO- "https://github.com/koalaman/shellcheck/releases/download/${scversion?}/shellcheck-${scversion?}.linux.x86_64.tar.xz" | tar -xJv
           sudo cp "shellcheck-${scversion}/shellcheck" /usr/local/bin/
           rm -rf "shellcheck-${scversion}/shellcheck"
-      - run: shellcheck -f diff $(shfmt -f .) | patch -p1
+      - run: shellcheck -f diff "$(shfmt -f .)" | patch -p1
       - name: suggester / shellcheck
         uses: ./
         with:
diff --git a/action.yml b/action.yml
index b69fdec..6d473be 100644
--- a/action.yml
+++ b/action.yml
@@ -1,48 +1,58 @@
-name: 'reviewdog-suggester: Suggest any code changes based on diff with reviewdog'
-description: '🐶 Suggest any code changes based on diff through GitHub Multi-line code suggestions'
-author: 'haya14busa'
+name: "reviewdog-suggester: Suggest any code changes based on diff with reviewdog"
+description: "🐶 Suggest any code changes based on diff through GitHub Multi-line code suggestions"
+author: "haya14busa"
 inputs:
   github_token:
-    description: 'GITHUB_TOKEN'
-    default: '${{ github.token }}'
+    description: "GITHUB_TOKEN"
+    default: "${{ github.token }}"
     required: true
   ### Flags for reviewdog ###
   tool_name:
-    description: 'Tool name to use for reviewdog reporter'
-    default: 'reviewdog-suggester'
+    description: "Tool name to use for reviewdog reporter"
+    default: "reviewdog-suggester"
     required: false
   level:
-    description: 'Report level for reviewdog [info,warning,error]'
-    default: 'warning'
+    description: "Report level for reviewdog [info,warning,error]"
+    default: "warning"
     required: false
   filter_mode:
     description: |
       Filtering mode for the reviewdog command [added,diff_context,file,nofilter].
       Default is diff_context. GitHub suggestions only support added and diff_context.
-    default: 'diff_context'
+    default: "diff_context"
     required: false
   fail_on_error:
     description: |
       Exit code for reviewdog when errors are found [true,false]
       Default is `false`.
-    default: 'false'
+    default: "false"
     required: false
   reviewdog_flags:
-    description: 'Additional reviewdog flags'
-    default: ''
+    description: "Additional reviewdog flags"
+    default: ""
     required: false
   ### Flags for reviewdog suggester ###
   cleanup:
-    description: 'Clean up non-committed changes after the action'
-    default: 'true'
+    description: "Clean up non-committed changes after the action"
+    default: "true"
     required: false
 runs:
-  using: 'composite'
+  using: "composite"
   steps:
-    - uses: reviewdog/action-setup@v1
-      with:
-        reviewdog_version: v0.14.2
-    - run: $GITHUB_ACTION_PATH/script.sh
+    - run: |
+        set -euo pipefail
+        "$GITHUB_ACTION_PATH/install.sh"
+      shell: bash
+      env:
+        REVIEWDOG_VERSION: v0.14.2
+        REVIEWDOG_TEMPDIR: ${{ runner.temp }}
+    - run: |
+        set -euo pipefail
+        "$GITHUB_ACTION_PATH/check-installed.sh"
+      shell: bash
+    - run: |
+        set -euo pipefail
+        "$GITHUB_ACTION_PATH/script.sh"
       shell: bash
       env:
         # INPUT_<VARIABLE_NAME> is not available in Composite run steps
@@ -57,5 +67,5 @@ runs:
 
 # Ref: https://haya14busa.github.io/github-action-brandings/
 branding:
-  icon: 'edit'
-  color: 'red'
+  icon: "edit"
+  color: "red"
diff --git a/check-installed.sh b/check-installed.sh
new file mode 100755
index 0000000..6699e5a
--- /dev/null
+++ b/check-installed.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+if ! command -v reviewdog >/dev/null 2>&1; then
+  echo "reviewdog was not installed"
+  exit 1
+fi
+echo "::group::📖 reviewdog -h"
+reviewdog -h 2>&1 || true
+echo "::endgroup::"
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..424e909
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+set -euo pipefail
+
+VERSION="${REVIEWDOG_VERSION:-latest}"
+
+TEMP="${REVIEWDOG_TEMPDIR}"
+if [ -z "${TEMP}" ]; then
+  if [ -n "${RUNNER_TEMP}" ]; then
+    TEMP="${RUNNER_TEMP}"
+  else
+    TEMP="$(mktemp -d)"
+  fi
+fi
+
+INSTALL_SCRIPT='https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh'
+if [ "${VERSION}" == 'nightly' ] ; then
+  INSTALL_SCRIPT='https://raw.githubusercontent.com/reviewdog/nightly/master/install.sh'
+  VERSION='latest'
+fi
+
+mkdir -p "${TEMP}/reviewdog/bin"
+
+echo '::group::🐶 Installing reviewdog ... https://github.com/reviewdog/reviewdog'
+curl -sfL "${INSTALL_SCRIPT}" | sh -s -- -b "${TEMP}/reviewdog/bin" "${VERSION}" 2>&1
+echo '::endgroup::'
+
+echo "${TEMP}/reviewdog/bin" >>"${GITHUB_PATH}"