diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 84b83df..6fa46d8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ jobs:
             version: '1'
             arch: x64
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         # `allow-failure` not available yet https://github.com/actions/toolkit/issues/399
         continue-on-error: ${{ matrix.julia-version == 'nightly' }}
@@ -61,7 +61,7 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: '1.6'