diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 78bd06d..13cafdc 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -26,7 +26,7 @@ jobs:
       security-events: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
         with:
diff --git a/.github/workflows/docfx.yml b/.github/workflows/docfx.yml
index eb3f221..4d9cb06 100644
--- a/.github/workflows/docfx.yml
+++ b/.github/workflows/docfx.yml
@@ -6,7 +6,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 3085b23..d736ac8 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -8,7 +8,7 @@ jobs:
   format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with: