diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 230128e..ccd0833 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
@@ -31,7 +31,7 @@ jobs:
   notebook-checks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
@@ -46,7 +46,7 @@ jobs:
   security-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Check for secrets
         run: |
           if grep -r --include="*.py" --include="*.ipynb" --include="*.env" "api_key\|API_KEY\|secret\|password\|token" . 2>/dev/null | grep -v ".git/" | grep -v ".github/" | grep -v "load_dotenv"; then
@@ -59,7 +59,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [lint, security-check]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"