diff --git a/.github/workflows/add-contributors.yaml b/.github/workflows/add-contributors.yaml
index eebb59f..571fd2d 100644
--- a/.github/workflows/add-contributors.yaml
+++ b/.github/workflows/add-contributors.yaml
@@ -12,7 +12,7 @@ jobs:
   add-contributors:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: delete old branch (If it exists)
         run: git push origin --delete ${{ env.UPDATE_CONTRIBUTORS_BRANCH }}
         continue-on-error: true
diff --git a/.github/workflows/check-publish.yaml b/.github/workflows/check-publish.yaml
index 551b1f9..fa62bb9 100644
--- a/.github/workflows/check-publish.yaml
+++ b/.github/workflows/check-publish.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dart-lang/setup-dart@v1
       - name: copy credentials
         run: .github/scripts/copy-credentials.sh
diff --git a/.github/workflows/example.yaml b/.github/workflows/example.yaml
index ecf8379..ccbd424 100644
--- a/.github/workflows/example.yaml
+++ b/.github/workflows/example.yaml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       # https://github.com/actions/checkout
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # https://github.com/dart-lang/setup-dart
       - uses: dart-lang/setup-dart@v1
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index fab850c..771a06f 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -13,7 +13,7 @@ jobs:
 
     if: github.event.pull_request.merged == true && startsWith(github.head_ref, 'release/')
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dart-lang/setup-dart@v1
       - name: copy credentials
         run: .github/scripts/copy-credentials.sh
diff --git a/.github/workflows/update-version.yaml b/.github/workflows/update-version.yaml
index ebf55f1..8398860 100644
--- a/.github/workflows/update-version.yaml
+++ b/.github/workflows/update-version.yaml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       # https://github.com/actions/checkout
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # https://github.com/dart-lang/setup-dart
       - uses: dart-lang/setup-dart@v1