diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e310971..0b5c07b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v4
@@ -42,7 +42,7 @@ jobs:
           - "3.11"
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Run tox
         uses: lsst-sqre/run-tox@v1
@@ -65,7 +65,7 @@ jobs:
       || startsWith(github.head_ref, 'tickets/')
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/periodic-ci.yaml b/.github/workflows/periodic-ci.yaml
index 927302a..5161bab 100644
--- a/.github/workflows/periodic-ci.yaml
+++ b/.github/workflows/periodic-ci.yaml
@@ -21,7 +21,7 @@ jobs:
           - "3.11"
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # Ideally we would use the oldest supported version of Python to update
       # dependencies, not the matrixed Python version, since this accurately