diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 96451d5..d1ae9f1 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -1,38 +1,37 @@
-# This is a basic workflow to help you get started with Actions
-
 name: doc
 
-# Controls when the workflow will run
 on:
-  # Triggers the workflow on push or pull request events but only for the main branch
-  push:
-    branches: [ main, dev ]
+    push:
+        branches: [main, dev]
 
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
-
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  # This workflow contains a single job called "build"
-  vimdocgen:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
+    vimdocgen:
+        runs-on: ubuntu-latest
 
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+        steps:
+            - uses: actions/checkout@v2
+            - name: Setup git
+              run: |
+                  git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
+                  git config --local user.name "github-actions[bot]"
+                  printf 'VIMDOC_BRANCH=bot/vimdoc/%s\n' ${GITHUB_REF#refs/heads/} >> $GITHUB_ENV
 
-      - name: panvimdoc
-        uses: kdheepak/panvimdoc@v2.7.1
-        with:
-          # Output vimdoc project name
-          vimdoc: zenbones
-          pandoc: doc/zenbones.md
-          description: "A collection of contrast-based vim/neovim colorschemes"
-          version: "Vim v8.1 / Neovim 0.5.0"
-      - uses: stefanzweifel/git-auto-commit-action@v4
-        with:
-          commit_message: "auto generate docs"
-          branch: ${{ github.head_ref }}
-          file_pattern: doc/zenbones.txt
+            - name: Checkout to vimdoc branch
+              run: git checkout -b ${VIMDOC_BRANCH}
+
+            - name: panvimdoc
+              uses: kdheepak/panvimdoc@v2.7.1
+              with:
+                  # Output vimdoc project name
+                  vimdoc: zenbones
+                  pandoc: doc/zenbones.md
+                  description: "A collection of contrast-based vim/neovim colorschemes"
+                  version: "Vim v8.1 / Neovim 0.5.0"
+            - name: Create PR
+              run: |
+                  if ! [[ -z $(git status -s) ]]; then
+                      git add doc/zenbones.txt
+                      git commit -m "chore: generated vimdoc"
+                      git push --force https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY} ${VIMDOC_BRANCH}
+                      gh pr create --fill --base ${GITHUB_REF#refs/heads/} --head ${VIMDOC_BRANCH} || true
+                  fi