diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 92271da..375cb22 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: macos-14
 
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
     - name: Build
       run: swift build -v
     - name: Run tests
diff --git a/.github/workflows/swift.yml b/.github/workflows/swift.yml
index 13b04a6..bbbb179 100644
--- a/.github/workflows/swift.yml
+++ b/.github/workflows/swift.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: macos-14
 
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
     - name: Build
       run: swift build -v
     - name: Run tests