diff --git a/.github/workflows/DocPreviewCleanup.yml b/.github/workflows/DocPreviewCleanup.yml
index 5ad00c2f..1710f50e 100644
--- a/.github/workflows/DocPreviewCleanup.yml
+++ b/.github/workflows/DocPreviewCleanup.yml
@@ -11,7 +11,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: gh-pages
       - name: Delete preview and history + push changes
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 644eca74..221709e7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}