diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index f0e4cc8b..910cb24b 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Rust
         run: |
diff --git a/.github/workflows/ci-post-merge.yml b/.github/workflows/ci-post-merge.yml
index 7acb2b73..9f205410 100644
--- a/.github/workflows/ci-post-merge.yml
+++ b/.github/workflows/ci-post-merge.yml
@@ -28,7 +28,7 @@ jobs:
     runs-on: ${{ matrix.target.os }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install OpenSSL
         if: matrix.target.os == 'windows-latest'
@@ -79,7 +79,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Rust
         uses: actions-rust-lang/setup-rust-toolchain@v1.5.0
@@ -100,7 +100,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Rust
         uses: actions-rust-lang/setup-rust-toolchain@v1.5.0
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c079e10c..4c4977ac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
     runs-on: ${{ matrix.target.os }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install OpenSSL
         if: matrix.target.os == 'windows-latest'
@@ -90,7 +90,7 @@ jobs:
     name: io-uring tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Rust
         uses: actions-rust-lang/setup-rust-toolchain@v1.5.0
@@ -106,7 +106,7 @@ jobs:
     name: doc tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Rust (nightly)
         uses: actions-rust-lang/setup-rust-toolchain@v1.5.0
diff --git a/.github/workflows/clippy-fmt.yml b/.github/workflows/clippy-fmt.yml
index 19b4fe6a..4146e566 100644
--- a/.github/workflows/clippy-fmt.yml
+++ b/.github/workflows/clippy-fmt.yml
@@ -15,7 +15,7 @@ jobs:
   fmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions-rust-lang/setup-rust-toolchain@v1.5.0
         with:
@@ -30,7 +30,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions-rust-lang/setup-rust-toolchain@v1.5.0
         with:
@@ -45,7 +45,7 @@ jobs:
   lint-docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions-rust-lang/setup-rust-toolchain@v1.5.0
         with:
@@ -60,11 +60,11 @@ jobs:
   public-api-diff:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.base_ref }}
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions-rust-lang/setup-rust-toolchain@v1.5.0
         with:
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index de31907a..6fc1eabb 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -15,7 +15,7 @@ jobs:
   coverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Rust
         uses: actions-rust-lang/setup-rust-toolchain@v1.5.0
diff --git a/.github/workflows/upload-doc.yml b/.github/workflows/upload-doc.yml
index 0efe3681..2037e34f 100644
--- a/.github/workflows/upload-doc.yml
+++ b/.github/workflows/upload-doc.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Rust
         uses: actions-rust-lang/setup-rust-toolchain@v1.5.0