diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 6af62e1..b299110 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -30,7 +30,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 088e0ac..e25ebab 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -16,7 +16,7 @@ jobs:
       statuses: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1'