diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 98d97bd..dbb9e72 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: Assert no committed Curator state or SQLite ledgers
         run: |
           set -euo pipefail
@@ -47,7 +47,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -77,7 +77,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
@@ -101,7 +101,7 @@ jobs:
       contents: write
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
       - name: Set up Python
         uses: actions/setup-python@v5
         with: