diff --git a/.github/workflows/publish_release.yml b/.github/workflows/publish_release.yml
index fd95e0caf27..0a688e45677 100644
--- a/.github/workflows/publish_release.yml
+++ b/.github/workflows/publish_release.yml
@@ -62,7 +62,7 @@ jobs:
           echo "Using swift-syntax version: $SWIFT_SYNTAX_VERSION"
           echo "swift_syntax_version=$SWIFT_SYNTAX_VERSION" >> "$GITHUB_OUTPUT"
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Tag release
         run: |
           git tag "${{ steps.swift_syntax_version.outputs.swift_syntax_version }}"
@@ -77,7 +77,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Create release
         env:
           GH_TOKEN: ${{ github.token }}
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 00d2add3bf9..e997155ae5f 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           persist-credentials: false
       - name: Update environment
@@ -47,7 +47,7 @@ jobs:
       image: swift:latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           persist-credentials: false
       - name: Validate generated code
@@ -59,7 +59,7 @@ jobs:
       image: swift:latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           persist-credentials: false
       - name: Test
@@ -75,7 +75,7 @@ jobs:
           docker pull $Image
           echo "image=$Image" >> "$env:GITHUB_OUTPUT"
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           persist-credentials: false
       - name: Test