diff --git a/.github/workflows/DocPreviewCleanup.yml b/.github/workflows/DocPreviewCleanup.yml
index 1d662253..c77fb677 100644
--- a/.github/workflows/DocPreviewCleanup.yml
+++ b/.github/workflows/DocPreviewCleanup.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: gh-pages
 
diff --git a/.github/workflows/Documentation.yml b/.github/workflows/Documentation.yml
index e0de0f44..d3c08ba5 100644
--- a/.github/workflows/Documentation.yml
+++ b/.github/workflows/Documentation.yml
@@ -14,7 +14,7 @@ jobs:
       contents: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
diff --git a/.github/workflows/UnitTests.yml b/.github/workflows/UnitTests.yml
index 58d58014..f24eae42 100644
--- a/.github/workflows/UnitTests.yml
+++ b/.github/workflows/UnitTests.yml
@@ -40,7 +40,7 @@ jobs:
         #     arch: x64
         #     allow_failure: true
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}