diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2fc4485..b557674 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
             exe_suffix: .exe
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.toolchain }}
@@ -50,7 +50,7 @@ jobs:
     name: run clippy lints
     runs-on: ubuntu-latest
     steps:
-       - uses: actions/checkout@v5
+       - uses: actions/checkout@v6
        - uses: dtolnay/rust-toolchain@master
          with:
            toolchain: stable
@@ -62,7 +62,7 @@ jobs:
     name: run rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
@@ -74,7 +74,7 @@ jobs:
     name: build docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v2
         with:
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 8746d42..f841705 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -8,7 +8,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v2
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 539f2ab..e48fc17 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,7 +8,7 @@ jobs:
   create-release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Create release for tag
         if: startsWith(github.ref, 'refs/tags/')
         run: |
@@ -24,7 +24,7 @@ jobs:
       matrix:
         target: ["bash", "fish", "zsh"]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Upload completion
         if: startsWith(github.ref, 'refs/tags/')
         run: |
@@ -40,7 +40,7 @@ jobs:
       matrix:
         target: ["MIT", "APACHE"]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Upload license
         if: startsWith(github.ref, 'refs/tags/')
         run: |
@@ -66,7 +66,7 @@ jobs:
           - arch: "arm"
             libc: "musleabihf"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Pull Docker image
         run: docker pull messense/rust-musl-cross:${{ matrix.arch }}-${{ matrix.libc }}
       - name: Build in Docker
@@ -86,7 +86,7 @@ jobs:
           - arch: "x86_64"
           - arch: "aarch64"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Setup toolchain
         uses: dtolnay/rust-toolchain@master
         with:
@@ -102,7 +102,7 @@ jobs:
   build-windows:
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Setup toolchain
         uses: dtolnay/rust-toolchain@master
         with:
@@ -134,7 +134,7 @@ jobs:
           - macos-aarch64
           - windows-x86_64-msvc
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/download-artifact@v6
       - name: Upload binary
         if: startsWith(github.ref, 'refs/tags/')