diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9eab7ad..783e3fa 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 9701f79..6179acd 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index d498dc7..ab58c5d 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -15,7 +15,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Dependency Review
         uses: actions/dependency-review-action@v4
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index da1b4c8..536bf75 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/reuse-lint.yml b/.github/workflows/reuse-lint.yml
index a7aa4a3..ae28da0 100644
--- a/.github/workflows/reuse-lint.yml
+++ b/.github/workflows/reuse-lint.yml
@@ -17,7 +17,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install REUSE
         run: python3 -m pip install --user reuse
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index fda2812..5a59504 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -26,7 +26,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           persist-credentials: false