diff --git a/.github/workflows/deploy-to-production.yml b/.github/workflows/deploy-to-production.yml
index 0115659a..89d49f05 100644
--- a/.github/workflows/deploy-to-production.yml
+++ b/.github/workflows/deploy-to-production.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 
       - name: Deploy static files
         env:
diff --git a/.github/workflows/generate-test-seed.yml b/.github/workflows/generate-test-seed.yml
index a79f8efa..709c3db8 100644
--- a/.github/workflows/generate-test-seed.yml
+++ b/.github/workflows/generate-test-seed.yml
@@ -17,7 +17,7 @@ jobs:
       SEED_VERSION: 'pull/${{ github.event.pull_request.number }}@${{ github.sha }}'
 
     steps:
-      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 
       - name: Fetch base commit
         run: git fetch --depth=1 origin "$BASE_SHA"
diff --git a/.github/workflows/lint-github-actions.yml b/.github/workflows/lint-github-actions.yml
index f6500038..5af4e089 100644
--- a/.github/workflows/lint-github-actions.yml
+++ b/.github/workflows/lint-github-actions.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 
       - name: Check workflow files
         run: |
diff --git a/.github/workflows/test-src.yml b/.github/workflows/test-src.yml
index 4eb3e3a4..5d382040 100644
--- a/.github/workflows/test-src.yml
+++ b/.github/workflows/test-src.yml
@@ -8,7 +8,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 
       - name: npm install
         run: npm install
diff --git a/.github/workflows/test-testing-fieldtrials-gen.yml b/.github/workflows/test-testing-fieldtrials-gen.yml
index a98b283a..38233c29 100644
--- a/.github/workflows/test-testing-fieldtrials-gen.yml
+++ b/.github/workflows/test-testing-fieldtrials-gen.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
           fetch-depth: '0'
 
diff --git a/.github/workflows/upsert-study.yml b/.github/workflows/upsert-study.yml
index de903598..a6f81a1c 100644
--- a/.github/workflows/upsert-study.yml
+++ b/.github/workflows/upsert-study.yml
@@ -42,7 +42,7 @@ jobs:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
     steps:
-      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
           fetch-depth: '0'