diff --git a/.github/workflows/ci-lint.yaml b/.github/workflows/ci-lint.yaml
index 163eebeb..01ec31ae 100644
--- a/.github/workflows/ci-lint.yaml
+++ b/.github/workflows/ci-lint.yaml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Set up Python
       uses: actions/setup-python@v6
diff --git a/.github/workflows/ci-main.yaml b/.github/workflows/ci-main.yaml
index 77219467..01a8f382 100644
--- a/.github/workflows/ci-main.yaml
+++ b/.github/workflows/ci-main.yaml
@@ -25,7 +25,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Enable long paths on Windows
         if: runner.os == 'Windows'