diff --git a/.github/workflows/DocsPreviewCleanup.yml b/.github/workflows/DocsPreviewCleanup.yml
index 05721f0..68f17f2 100644
--- a/.github/workflows/DocsPreviewCleanup.yml
+++ b/.github/workflows/DocsPreviewCleanup.yml
@@ -16,7 +16,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: gh-pages
       - name: Delete preview and history + push changes
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5b9c15..60d4b40 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
@@ -53,7 +53,7 @@ jobs:
       pull-requests: read  # Required when using `push_preview=true`
       statuses: write  # Optional, used to report documentation build statuses
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1'