diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6bca815..17d9a43 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v5
@@ -126,7 +126,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 4d9245d..0e69346 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v5
diff --git a/.github/workflows/dependency-submission.yml b/.github/workflows/dependency-submission.yml
index 083695c..45ad838 100644
--- a/.github/workflows/dependency-submission.yml
+++ b/.github/workflows/dependency-submission.yml
@@ -14,7 +14,7 @@ jobs:
   dependency-submission:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Setup .NET
         uses: actions/setup-dotnet@v5
         with:
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 52efa4d..3a94694 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v5
diff --git a/.github/workflows/update-schema.yml b/.github/workflows/update-schema.yml
index ae7751b..df7e1c4 100644
--- a/.github/workflows/update-schema.yml
+++ b/.github/workflows/update-schema.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1