diff --git a/{{cookiecutter.project_basename}}/.github/workflows/main.yml b/{{cookiecutter.project_basename}}/.github/workflows/main.yml
index 1ffc828..bea155b 100644
--- a/{{cookiecutter.project_basename}}/.github/workflows/main.yml
+++ b/{{cookiecutter.project_basename}}/.github/workflows/main.yml
@@ -64,10 +64,10 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: astral-sh/setup-uv@v2
+      - uses: arduino/setup-task@v2
       - name: Run tests
         run: |
-          uv sync --frozen
-          uv run make -C docs linkcheck dirhtml
+          task setup docs:build-linkcheck docs:build-dirhtml
   build-test:
     runs-on: ubuntu-latest
     steps:
diff --git a/{{cookiecutter.project_basename}}/.github/workflows/release.yml b/{{cookiecutter.project_basename}}/.github/workflows/release.yml
index ab875b6..608ee7e 100644
--- a/{{cookiecutter.project_basename}}/.github/workflows/release.yml
+++ b/{{cookiecutter.project_basename}}/.github/workflows/release.yml
@@ -64,14 +64,14 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: astral-sh/setup-uv@v2
-      - name: Run tests
+      - uses: arduino/setup-task@v2
+      - name: Build document
         run: |
-          uv sync --frozen
-          uv run make -C docs dirhtml
+          task setup docs:build
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
-          path: docs/_build/dirhtml
+          path: docs/_build/mini18n-dirhtml
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v4
diff --git a/{{cookiecutter.project_basename}}/Taskfile.yaml b/{{cookiecutter.project_basename}}/Taskfile.yaml
new file mode 100644
index 0000000..ce82303
--- /dev/null
+++ b/{{cookiecutter.project_basename}}/Taskfile.yaml
@@ -0,0 +1,30 @@
+version: '3'
+
+vars:
+  # If you run bare environment or activated venv, set '' (blank string)
+  RUN_PYTHON: 'uv run'
+
+tasks:
+  setup:
+    desc: 'Setup workspace'
+    cmds:
+      - 'uv sync --frozen'
+  test:
+    desc: 'Test environment'
+    cmds:
+      - '{{.RUN_PYTHON}} pre-commit run --all-files'
+      - '{{.RUN_PYTHON}} pytest'
+      - task: 'docs:intl'
+      - task: 'docs:build-linkcheck'
+      - task: 'docs:build-mini18n-dirhtml'
+      - 'uv build'
+  release-*:
+    desc: 'Run elease process'
+    vars:
+      LEVEL: '{{index .MATCH 0}}'
+    cmds:
+      - 'age {{.LEVEL}}'
+      - 'uv sync'  # To write out as lock-file
+
+includes:
+  docs: './docs'
diff --git a/{{cookiecutter.project_basename}}/docs/Taskfile.yaml b/{{cookiecutter.project_basename}}/docs/Taskfile.yaml
new file mode 100644
index 0000000..d193c56
--- /dev/null
+++ b/{{cookiecutter.project_basename}}/docs/Taskfile.yaml
@@ -0,0 +1,44 @@
+version: '3'
+
+vars:
+  # If you run bare environment or activated venv, set '' (blank string)
+  # RUN_PYTHON: ''
+  SPHINX_DEFAULT_BUILD: 'mini18n-dirhtml'
+  SPHINX_OPTIONS: ''
+  SPHINX_LANGUAGES:
+    - 'ja'
+
+env:
+  SPHINXINTL_TRANSLATOR: "Kazuya Takei <myself@attakei.net>"
+
+tasks:
+  intl:
+    desc: 'Sync i18n environment'
+    dir: '{{.TASKFILE_DIR}}'
+    cmds:
+      - '{{.RUN_PYTHON}} sphinx-build -M gettext . _build {{.SPHINX_OPTIONS}}'
+      - '{{.RUN_PYTHON}} sphinx-intl update --language={{.SPHINX_LANGUAGES | join ","}}'
+  dev:
+    desc: 'Run docs server'
+    dir: '{{.TASKFILE_DIR}}'
+    cmds:
+      - '{{.RUN_PYTHON}} sphinx-autobuild -b dirhtml . _build/dirhtml'
+  build-*:
+    desc: 'Make docs'
+    dir: '{{.TASKFILE_DIR}}'
+    vars:
+      TARGET: '{{index .MATCH 0}}'
+    cmds:
+      - '{{.RUN_PYTHON}} sphinx-build -M {{.TARGET}} . _build'
+  build:
+    desc: 'Make docs (default target)'
+    deps:
+      - 'build-{{.SPHINX_DEFAULT_BUILD}}'
+  help:
+    desc: 'Display help of docs'
+    deps:
+      - 'build-help'
+  clean:
+    desc: 'Clean build files of docs'
+    deps:
+      - 'build-clean'