diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index fbee0a2..e7bcae4 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Parse Docs
         uses: nikeee/docfx-action@v1.0.0
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 86c245e..7fa94e5 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         name: Check Out Code
       - name: Setup .NET
         uses: actions/setup-dotnet@v3
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 0d9031e..23cdba7 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -6,7 +6,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Lint Renovate config
         uses: suzuki-shunsuke/github-action-renovate-config-validator@v0.1.3
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 9de30f6..005468c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,7 +11,7 @@ jobs:
       name: "Publish Release"
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         name: Check Out Code
       - name: Setup .NET
         uses: actions/setup-dotnet@v3
diff --git a/.github/workflows/publish_preview.yml b/.github/workflows/publish_preview.yml
index a63e527..1842a42 100644
--- a/.github/workflows/publish_preview.yml
+++ b/.github/workflows/publish_preview.yml
@@ -17,7 +17,7 @@ jobs:
       name: "Publish Preview"
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         name: Check Out Code
       - name: Setup .NET
         uses: actions/setup-dotnet@v3
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index 5be4d65..43bff84 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         name: Check Out Code
       - name: Setup .NET
         uses: actions/setup-dotnet@v3