diff --git a/.github/workflows/daily.yml b/.github/workflows/daily.yml
index f734609..c753a2f 100644
--- a/.github/workflows/daily.yml
+++ b/.github/workflows/daily.yml
@@ -12,7 +12,7 @@ jobs:
         os: [ ubuntu-latest, macos-latest ]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: install dependencies
         run: npm ci
       - uses: oke-py/npm-audit-action@v2
@@ -27,7 +27,7 @@ jobs:
     name: npm audit
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       # https://stackoverflow.com/questions/72401421/message-npm-warn-config-global-global-local-are-deprecated-use-loc
       - run: |
           npm install npm-windows-upgrade --location=global
diff --git a/.github/workflows/dist.yml b/.github/workflows/dist.yml
index 5cdc7f2..2432e6f 100644
--- a/.github/workflows/dist.yml
+++ b/.github/workflows/dist.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: check out repository code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: install dependencies
       run: |
         npm ci
diff --git a/.github/workflows/git-tag.yml b/.github/workflows/git-tag.yml
index 125409c..d8ae67a 100644
--- a/.github/workflows/git-tag.yml
+++ b/.github/workflows/git-tag.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: check out repository code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: git config
       run: |
         git config --global user.name "${GITHUB_ACTOR}"
diff --git a/.github/workflows/package-version.yml b/.github/workflows/package-version.yml
index e6ef94b..a30500f 100644
--- a/.github/workflows/package-version.yml
+++ b/.github/workflows/package-version.yml
@@ -10,7 +10,7 @@ jobs:
     if: ${{ github.event.label.name == 'release minor' }}
     steps:
     - name: check out repository code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: ${{ github.event.pull_request.head.ref }}
     - name: git config
@@ -31,7 +31,7 @@ jobs:
     if: ${{ github.event.label.name == 'release patch' }}
     steps:
     - name: check out repository code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: ${{ github.event.pull_request.head.ref }}
     - name: git config
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 134b3a0..4aff06f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
         os: [ ubuntu-latest, macos-latest ]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node }}
@@ -30,7 +30,7 @@ jobs:
         node: [18]
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node }}
@@ -53,7 +53,7 @@ jobs:
       env:
         GITHUB_CONTEXT: ${{ toJson(github) }}
       run: echo "$GITHUB_CONTEXT"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node }}
@@ -80,7 +80,7 @@ jobs:
       env:
         GITHUB_CONTEXT: ${{ toJson(github) }}
       run: echo "$GITHUB_CONTEXT"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node }}