diff --git a/.github/workflows/materialization_ci.yml b/.github/workflows/materialization_ci.yml
index bdf08ae8..f0f942ce 100644
--- a/.github/workflows/materialization_ci.yml
+++ b/.github/workflows/materialization_ci.yml
@@ -31,7 +31,7 @@ jobs:
           - 5432:5432
         options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Python 3.9
         uses: actions/setup-python@v5
         with:
@@ -72,7 +72,7 @@ jobs:
     if: github.ref == 'refs/heads/master'
     steps:
       - name: git checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           fetch-depth: 0