diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 642c92f..e4061ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@master
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5ea4a8f..458529b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,7 @@ jobs:
   create-release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: taiki-e/create-gh-release-action@v1
         with:
           # changelog: CHANGELOG.md
@@ -28,7 +28,7 @@ jobs:
           - windows-latest
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: taiki-e/upload-rust-binary-action@v1
         with:
           # (required) Comma-separated list of binary names (non-extension portion of filename) to build and upload.