diff --git a/.github/workflows/clear-and-update-index.yml b/.github/workflows/clear-and-update-index.yml
index 854822cf..a3ae5948 100644
--- a/.github/workflows/clear-and-update-index.yml
+++ b/.github/workflows/clear-and-update-index.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: Indexing
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/deploy-cloud-run.yaml b/.github/workflows/deploy-cloud-run.yaml
index 4b87c142..9e338e99 100644
--- a/.github/workflows/deploy-cloud-run.yaml
+++ b/.github/workflows/deploy-cloud-run.yaml
@@ -14,7 +14,7 @@ jobs:
       VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
       VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install Vercel CLI
         run: npm install --global vercel@latest
       - name: Pull Vercel Environment Information
diff --git a/.github/workflows/eval.yml b/.github/workflows/eval.yml
index 85ff4dfe..efff7224 100644
--- a/.github/workflows/eval.yml
+++ b/.github/workflows/eval.yml
@@ -19,7 +19,7 @@ jobs:
     environment: Evaluation
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python + Poetry
         uses: "./.github/actions/poetry_setup"
diff --git a/.github/workflows/update-index.yml b/.github/workflows/update-index.yml
index 6b26e609..eb63e2fa 100644
--- a/.github/workflows/update-index.yml
+++ b/.github/workflows/update-index.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: Indexing
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: '3.11'