diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b32226c..8991426 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
       matrix:
         python-version: ["3.9", "3.12"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
diff --git a/.github/workflows/upstream-watch.yml b/.github/workflows/upstream-watch.yml
index c93f425..d7c4265 100644
--- a/.github/workflows/upstream-watch.yml
+++ b/.github/workflows/upstream-watch.yml
@@ -26,7 +26,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-node@v4
         with: