diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index ee8b78c..7a30757 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: actions-rs/audit-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 8f742f2..d90eaaf 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -45,7 +45,7 @@ jobs:
         with:
           targets: ${{ matrix.job.target }}
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install cross
         if: matrix.job.use-cross
         uses: taiki-e/install-action@v2
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 81a25b8..1da7594 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,7 +39,7 @@ jobs:
             use-cross: true
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
@@ -71,7 +71,7 @@ jobs:
             target: x86_64-unknown-linux-gnu
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
       - name: Build for release
@@ -84,7 +84,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
@@ -97,7 +97,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
@@ -110,7 +110,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install stable toolchain
         uses: dtolnay/rust-toolchain@stable
       - name: Install cargo-tarpaulin