diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index b24602b8c..04acdb727 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -51,7 +51,7 @@ jobs:
           echo "TMPDIR=$env:RUNNER_TEMP" >> $GITHUB_ENV
           git config --system core.autocrlf false
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: set up Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -95,7 +95,7 @@ jobs:
           - { rubocop: "v1.35.0", ruby: "3.2", os: ubuntu }
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: set up Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -128,7 +128,7 @@ jobs:
         rubocop: [master]
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: set up Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/spell_checking.yml b/.github/workflows/spell_checking.yml
index 59db64be1..7315b7e30 100644
--- a/.github/workflows/spell_checking.yml
+++ b/.github/workflows/spell_checking.yml
@@ -14,7 +14,7 @@ jobs:
       matrix:
         python-version: [3.8]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
@@ -30,7 +30,7 @@ jobs:
     name: Check spelling of all files in commit with misspell
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install
         run: wget -O - -q https://raw.githubusercontent.com/client9/misspell/master/install-misspell.sh | sh -s -- -b .
       - name: Misspell