diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 58fdf3e..b9811c3 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -34,7 +34,7 @@ jobs:
       ml_image: ${{ steps.images.outputs.ml }}
       data_image: ${{ steps.images.outputs.data }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Authenticate to Google Cloud
         uses: google-github-actions/auth@v2
@@ -109,7 +109,7 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Authenticate to Google Cloud
         uses: google-github-actions/auth@v2
@@ -138,7 +138,7 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Authenticate to Google Cloud
         uses: google-github-actions/auth@v2
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f93160a..31b02e8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -43,7 +43,7 @@ jobs:
     name: Type Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -62,7 +62,7 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -84,7 +84,7 @@ jobs:
     if: github.event_name == 'pull_request'
     needs: [lint, type-check, test]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -104,7 +104,7 @@ jobs:
     name: dbt Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -126,7 +126,7 @@ jobs:
     name: Terraform Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup Terraform
         uses: hashicorp/setup-terraform@v3
@@ -154,7 +154,7 @@ jobs:
       matrix:
         dockerfile: [api, ml, data]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3