diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aafb35c..328af8c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
       matrix:
         python-version: ["3.10", "3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
@@ -36,7 +36,7 @@ jobs:
   web:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v4
         with:
           node-version: 22
diff --git a/.github/workflows/data-release.yml b/.github/workflows/data-release.yml
index b0a1fc1..248a89d 100644
--- a/.github/workflows/data-release.yml
+++ b/.github/workflows/data-release.yml
@@ -28,7 +28,7 @@ jobs:
       DATA_VERSION: ${{ inputs.data_version }}
       COHORT_INPUT: ${{ inputs.cohorts }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 14e7e22..cfb84b4 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -34,7 +34,7 @@ jobs:
       GH_TOKEN: ${{ github.token }}
       DATA_VERSION: ${{ inputs.data_version || '2026.07.28' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index b024595..200c260 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -12,7 +12,7 @@ jobs:
     if: startsWith(github.event.release.tag_name, 'v')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"