diff --git a/.github/workflows/docs-cleanup.yml b/.github/workflows/docs-cleanup.yml
index e345652..6b36927 100644
--- a/.github/workflows/docs-cleanup.yml
+++ b/.github/workflows/docs-cleanup.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: gh-pages
       - name: Delete preview and history + push changes
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index 2ebd63c..3fab013 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -23,7 +23,7 @@ jobs:
       - uses: julia-actions/setup-julia@latest
         with:
           version: ${{ matrix.julia-version }}
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
       - name: Instantiate `format` environment and format
         run: |
           julia --project=format -e 'using Pkg; Pkg.instantiate()'