diff --git a/.github/workflows/github-release.yml b/.github/workflows/github-release.yml
index 7966cad7..e6cad1d2 100644
--- a/.github/workflows/github-release.yml
+++ b/.github/workflows/github-release.yml
@@ -34,10 +34,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
-          wget https://github.com/tcnksm/ghr/releases/download/v0.14.0/ghr_v0.14.0_linux_amd64.tar.gz
-          tar -xzf ghr_v*_linux_amd64.tar.gz
           export TAGNAME=$(jq --raw-output .ref "$GITHUB_EVENT_PATH" | sed -e "s/refs\/tags\///")
-          
           cp ./optuna_dashboard/public/bundle.js ./dist/
           cp ./optuna_dashboard/public/bundle.js.LICENSE.txt ./dist/
-          ./ghr_v0.14.0_linux_amd64/ghr -n ${TAGNAME} -b ${TAGNAME} -draft ${TAGNAME} dist/
+          gh release create ${TAGNAME} --draft dist/*
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 2406fcbd..55bf4290 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -11,27 +11,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-
-    - name: Setup Node
-      uses: actions/setup-node@v2
-      with:
-        node-version: '16'
-    - run: npm install
-    - run: npm run build:prd
-
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: '3.9'
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip setuptools
-        pip install --progress-bar off wheel twine
-    - run: python setup.py sdist bdist_wheel
-    - run: twine check dist/*
-
+    - run: gh release download $(jq --raw-output .tag_name "$GITHUB_EVENT_PATH") ./dist
     - name: Publish distribution to PyPI
-      uses: pypa/gh-action-pypi-publish@v1.4.1
+      uses: pypa/gh-action-pypi-publish@release/v1
       with:
         user: __token__
         password: ${{ secrets.PYPI_PASSWORD }}
diff --git a/.github/workflows/python-tests.yml b/.github/workflows/python-tests.yml
index 6a8c8c88..e5a0fb29 100644
--- a/.github/workflows/python-tests.yml
+++ b/.github/workflows/python-tests.yml
@@ -46,10 +46,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Setup Python 3.9
+      - name: Setup Python
         uses: actions/setup-python@v2
         with:
-          python-version: '3.9'
+          python-version: '3.x'
           architecture: x64
       - name: Install dependencies
         run: |