diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2bac968..7f56b94 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
         exclude:
           - os: macOS-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/reference_tests.yml b/.github/workflows/reference_tests.yml
index 5eaaacb..80008f1 100644
--- a/.github/workflows/reference_tests.yml
+++ b/.github/workflows/reference_tests.yml
@@ -19,7 +19,7 @@ jobs:
           - x64
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}